Leica D-Lux 8 Review

By: Thorsten Overgaard.

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Leica D-Lux 8 (2024) 

Here is an overview of Leica D-Lux models, including which battery for Leica D-Lux. The Leica D-Lux 7 or Leica D-Lux 8 would be my choice, but in second-hand and less expensive Leica D-Lux models, the Leica D-Lux 6 ($400-$500 second-hand) stands out with an excellent lens: 

Leica D-Lux models over the years:
Model	Year	MP	Zoom	F-stop	Memory	ISO	Video	Weight	Battery
D-Lux 8	2024	17MP	24-75mm	f/1.7–2.8		200-25600	4K 30fps	397g	BP-DC 15
D-Lux 7	2019	17MP	24-75mm	f/1.7–2.8		200-25600	4K 30fps	403g	BP-DC 15
D-Lux 109	2014	13MP	24-75mm	f/1.7–2.8		200-25600	4K 30fps	405g	BP-DC 15
D-Lux 6	2012	10MP	24-90mm	f/1.4–2.3	70MB	80-6400	1920 60fps	298g	BP-DC 10
D-Lux 5	2010	10MP	24-90mm	f/2.0-3.3		80-3200	1280 60fps	271g	BP-DC 10
D-Lux 4	2008	10MP	24-60mm	f/2.0-2.8	50MB	80-3200	1280 24fps	248g	BP-DC4
D-Lux 3	2006	10MP	28-112mm	f/2.8-4.9		100-1600	848 30fps	220g	BP-DC4
D-Lux 2	2005	8MP	28-112mm	f/2.8-4.9		80-400	848 30 fps	220g	BP-DC4
D-Lux 1	2003	3.2MP	35-105mm	f/2.8-4.9		50-400	640 30 fps	180g	680 mAh
© Overgaard

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Officially released on May 23, 2024, the Leica D-Lux 8 is a reality. Getting one is another story.

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	1:2/50 the description says. But what does it mean?

1: - Basically means 1 divided with. But why is it on the front of the lens? If you look close, a lens will often say 1:2/50mm on the front, meaning it is a 50mm lens with an f/2.0 apterture. The 1: itself is a ratio, that indicates that the aperture diameter (25mm) is the ratio of 50mm divided with 2.
It's a strange way of writing product information on modern products, but here's how it's right:
a) A lens is called a 50mm lens because there is 50mm from the sensor to the center of focus inside the lens.
b) A lens is f/2.0 when the widest opening is 50mm divided with 2 = The lens opening is 25mm in diameter at it's widest. Had it been an f/2.8 lens (1:2.8/50), the widest aperture opening would be 50mm divided with 2.8 = 17.8mm.

AEL = Auto Exposure Lock. This is a function that can be used when you want to reframe the scene, but keep the current exposure from changing. By default the Leica Q locks both Exposure and Focus when you press the release button half down.

AFL = Auto Focus Lock. This is a function that can be used when you want to reframe the scene, but keep the current focusing from changing. By default the Leica Q locks both Exposure and Focus when you press the release button half down.

AF = Auto Focus. The idea is that the camera does the focusing itself (the word auto comes from Greek "self").

AF Assist Lamp = The little red lamp on the front of the Leica Q that will light up in dark places so as to help the Auto Focus to see in the dark. If you put a hand in front of the lens and press the shutter release button you can see it in action.

Aperture = The f/ stop on the camera that regulates how much light passes through the lens. On a f/1.7 lens the lens is fully open" at f/1.7. At f/2.0 the aperture inside the lens make the hole through the lens smaller so only half the amount of light at f/1.7 passes through. For each f/-stop (4.0 - 5.6 - 8.0 - 11 - 16) you halve the light. The aperture of the lens is basically the focal length divided with the f/-stop = size of the hole (28mm divided with f/1.7 = the hole is 45 mm).
ORIGIN: Late Middle English : from Latin apertura, from apert- ‘opened,’ from aperire ‘to open’.

	The camera in Aperture Priority Mode

Aperture Priority Mode. When the shutter speed dial on top of a Leica camera is set to A, it is short for “Aperture Priority” and allows the user to set a specific aperture value (f-number) while the camera selects a shutter speed to match it that will result in proper exposure based on the lighting conditions as measured by the camera's light meter. In other words, you set the aperture as priority (f/1.4 for example), and the camera calculates a shutter speed (1/250 of a second) that matches that. If you change the aperture to f/2.0 by changing the aperture ring on the lens, the camera will re-calculate the speed to 1/125 so as to get the same amount of light to hit the sensor (f/2.0 is half the light through the lens as f/1.4 and 1/125 if twice the amount of light on the sensor as 1/250).

	spherical (ball)
	a-spherical (non-ball)

ASPH = (Aspherical lens) stands for "aspheric design". Most lenses have a spherical design - that is, the radius of curvature is constant. These are easy to manufacture by grinding while "spinning" the glass. This design however restricts the number of optical corrections that can be made to the design to render the most realistic image possible. ASPH lenses (a-spherical, meaning non-spherical), however, involve usually 1 element that does *not* have a constant radius of curvature. These elements can be made by 1) expensive manual grinding, 2) molded plastic, or 3) Leica's patented "press" process, where the element is pressed into an aspherical ("non-spherical") shape. This design allows Leica to introduce corrections into compact lens designs that weren't possible before. Practically, the lens performs "better" (up to interpretation) due to increased correction of the image, in a package not significantly bigger than the spherical version.

There is another Aspherical lens manufacture technique: an uneven coating layer is applied to a spherical lens. The coating is thicker on the edges (or on the center, depending). Canon "Lens Work II" calls these "simulated" aspherical lenses. Simulated and Glass-Molded (GMo) asphericals show up in non-L Canon lenses, while the L lenses have actual ground aspheric elements.

A- means non, or without. From Latin, ex.

Sphere: ORIGIN Middle English : from Old French espere, from late Latin sphera, earlier sphaera, from Greek sphaira "ball".

Normal spheric lens (grinded)		ASPH (note the shape of the glass as result of pressing rather than grinding)

Auto- means “self”. The idea is that when a camera has auto-(something), it does that (something) by itself.

Auto Focus = The idea is that the camera does the focusing itself (the word "auto" comes from Greek "self"). Ironically and factually, it does not work that easily, which is why many types of Auto Focus have been added to this feature. Ironically, it was supposed to make it easy for the user to get sharp photos but has become a filter of focusing complexities in front of the user with a variety of made-up fancy names: Face detection, iAF (Intelligent Auto Focus), AFc (continuous), Tracking AF, Multi-Field AF, Eye Detection AF, Zone AF, and more.

Banding = Noise in digital images. Horizontal lines in a horizontal picture (if the camera is in portrait mode/vertical, the lines will obviously be vertical). It's simply noise; the result of uncontrolled algorithms working overtime with an image the sensor really can't see because it's very dark. (If your image has vertical lines in it, it is more likely that the sensor needs remapping).

This image at 6400 ISO, underexposed and then brought up to correct exposure in Lightroom, displays banding: Horizontal lines in the image. Leica M-D 262 with Leica 50mm APO-Summicron-M ASPH f/2.0.

Base ISO = The ISO the digital sensor was born with. Even a digital sensor goes from say 50 ISO to 25,000 ISO, it only has one base ISO. Any other setting is an algorithm that figures out how the image whould look if there was 64 times more light, or half the light, etc.
When you go down from Base ISO (for example 200 to 100 ISO), you can expect a decrease in quality. When you go up, the decrease is much less. For some sensors, you loose 2-3 stops by going down 1 step in ISO, but can go 8 steps up and only loose 1 stop in dynamic range. Basically, your ISO range should be from Base ISO and as far up as you can, before you see visible decrease in quality (mostly 3200 ISO - 6400 ISO).
Base ISO for Leica M9 is 160 ISO, for Leica M240 it is 200 ISO. For Leica M10 it is around 160 ISO. For Leica M Monochrom it is 320 ISO. For Leica Q and Leica Q2 it is around 100 ISO. For Panasonic Lumix S it is 200 ISO. For most Canon cameras the base ISO is around 100, for most Nikon cameras it is around 200 ISO.

	Bokeh of a Leica 50mm Noctilux-M ASPH f/0.95. British composer and producer Barrie Gledden. © 2013 Thorsten Overgaard.

Bokeh = The visual quality of the out-of-focus areas of a photographic image, especially as rendered by a particular lens: It's a matter of taste and usually photographers discuss a 'nice' or 'pleasant' bokeh (the out-of-focus area is always unsharp, which is why the quality discussed is if one likes the way it renders or not by a particular lens). The closer you get to something, the 'more' bokeh' you get (in that the focus becomes less for the background and foreground at close distances than at long distances). ORIGIN from Japanese 'bo-ke' which mean 'fuzzines' or 'blur.'.

Bokeh: The visual quality of the out-of-focus areas of a photographic image. Photo at Bar del Fico in Rome. Leica TL2 with Leica 35mm Summilux-TL ASPH f/1.4. © 2017 Thorsten Overgaard.

Camera - is today’s short name for Camera Obscura (meaning “a dark room”). Camera means Chambre and was used only as a Latin or alien word, actually only for Spanish soldiers’ rooms, until popularized in connection with photography in 1727: “Camera Obscura”. In 1793 the slang term “camera” was used by Sterne Tr. Shandy: “Will make drawings of you in the camera” and by Foster (1878), “The eye is a camera”. Camera Obscura was described by Iraqi scientist Ibn-al-Haytham in his book, “Book of Optics” (1021) and by Leonardo da Vinci in 1500; popularized and made widely known in 1589 by Baptista Porta when he mentioned the principle in his book “Natural Magic”. Johannes Kepler mentions Camera Obscura in 1604.
Camera = chambre (room), Obscura = dark (or cover).

C = Continuous shooting. In the menu of the Leica Q2 under the menu point Continuous Shooting you can define if the Continuous should be Low (3 fps), Medium (5 fps) or High (19 fps).

Central Shutter = Some lenses, for example the Leica S lenses and the Leica Q where a shutter is located in the lens itself. In most cameras there is a shutter curtain just in front of the sensor, and in SLR (Single Lens Reflex) cameras there is also a mirror in front of the shutter curtain.
In the Leica T/TL/TL2 the shutter is in front of the sensor, but only acts to "refresh" the sensor. In the Leica TL2, there is a mechanical shutter curtain from 30 sec. to 1/4000 shutter times, and digital shutter from 1/4100 to 1/40,000 shutter times. A digital shutter is simply "turning on/off the recording of the sensor.

CMOS sensor (as used in Leica CL, Leica T/TL/TL2, Leica M 240, Leica M Monochrom Typ 246, Leica S Typ 007, Leica SL, Leica Q, Leica Q2, Leica M10, Leica X, Leica D-Lux, etc.) = (Complimentary Metal Oxide Semiconductor) chips use transistors at each pixel to move the charge through traditional wires. This offers flexibility because each pixel is treated individually. Traditional manufacturing processes are used to make CMOS. It's the same as creating microchips. Because they're easier to produce, CMOS sensors are cheaper than CCD sensors. CMOS allow Live View and use less energy than CCD.

Contrast - The degree of difference between tones in a picture. Latin contra- ‘against’ + stare ‘stand.’

CS = Central Shutter = As in the Leica S lenses for the Leica S where a shutter is located in the lens itself. In most cameras there is a shutter curtain just in front of the sensor, and in SLR (Single Lens Reflex) cameras there is also a mirror in front of the shutter curtain.
In the Leica Q and Leica Digilux 2 the shutter is in the lens which makes the camera mirrorless as well as very quiet because there is not a metal shutter curtain going up and down in front of the sensor.

Depth - Distance between front and back. Distance from viewer and object.

Digital Zoom = Refers to zooming in on a scene digitally. All that happens is that the camera zooms into the area of the sensor and records only that. The quality will be less as it's a smaller part of the same recording. Zoom is originally used for an optical zoom lens where optics move inside the lens so as to enlarge the subject optically. This does not reduce the image quality/resolution the same way as digital zoom does. Generally, digital zoom can be performed on any picture later in the computer as it's in essence simply a crop.
In the Leica Q Digital Zoom refers to the possibility to change the crop from 28mm to 35mm or 50mm (and for the Leica Q2, 75mm as well). Choosing a different "digital zoom" simply shows frame lines for the chosen focal length in the EVF and in the final image (that is in fact the full 28mm frame), there is a pre-selected crop for the chosen frame when you open the image in Lightroom or Capture One Pro.

Digital zoom is in essence a crop of the image to make the scene appear closer. © 2017 Thorsten Overgaard.

Digital Shutter = A digital shutter is simply "turning on/off the recording of the sensor. In the "old days" this had to be done with an actual mechanical shutter curtain; a metal curtain in front of the sensor (or film) that goes up for 1/125th of a second, for example. In the Leica TL2, there is a mechanical shutter curtain from 30 sec. to 1/4000 shutter times, and digital shutter from 1/4100 to 1/40,000 shutter times.

Diopter adjustment = Adjustment in a camera viewfinder to fit to the eye's ability to focus. Often a camera has a little dial too adjust for eyesight less than perfect. For example the Leica Q3 has a -4 to +2 possible adjustment so that the electronic viewfinder will look sharp by moving the focus distance to the screen so it fits the eye.

The Leica Q3 has a -4 to +2 possible adjustment so that the electronic viewfinder will look sharp by moving the focus distance to the screen so it fits the eye.

DIS = Digital Image Stabilization. This is a feature often offered in video recorders and some times for tele lens still photography (so as to avoid motion blur when the lens is moving during slow shutter speeds).

	Lens distortion looks like this. The lines are not straight. Our eye uses distortion correction. Lens designers can design lenses so they have very little distortion, or they can make less complicated lens designs and "fix" the distortion in software.

Distortion = In photo optics/lenses: When straight lines in a scene don't remain straight because of optical aberration.

Lens designers can correct for distortion to a degree so the whole image field is perfect corrected and all lines remain straight. In modern lens design many designs rely on Software Distortion Correction (SDC).

The eye adjusts for distortion so we always see vertical and horizontal lines straight when we look at things. Even when you get new prescription glasses (if you use such), you will often experience distortion in your new glasses. After a few days they eyes have adjusted for the glasses and the distortion you saw to begin with is now gone. Software Distortion Correction (SDC) is far behind what the human eye can perform of adjustments. (Also see my definition on Perspective for more on the eye and optics)

DNG = Digital Negative, an open standard developed by Adobe. It is a single file that contains the raw image data from the sensor of the camera as well as date, time, GPS, focal length, settings, etc.
The alternative is a RAW file + XLM file where the RAW file contains the image information and the XML contains the rest of information about where, how and when the picture was taken.
A Camera Raw profile (that is specific for that camera) in the computer helps the software program, for example Adobe Lightroom, to translate the RAW data into the image.

A raw file (or DNG) is simply the full recording of digital data (1's and 0's) from the sensor. In the computer, the sensor data is translated into the exact colors, via a camera profile.

DOF = Depth of Field. This is how much of the image will be in focus or "acceptable sharp". The DOF is determined by the subject distance (the farther away, the larger area is sharp; the closer the focus is, the less of the lage is sharp), the lens aperture (the depth of field is narrow at f/1.4 and larger at f/5.6) and the focal length of the lens (tele lenses has very narrow depth of field whereas wide angle lenses has a wide depth of field) and film or sensor size (small-sensor cameras has a wide depth of field wheras medium format or large format cameras has a very narrow depth of field). As an example, a Leica 21mm Super-Angulon-M f/3.4 lens is sharp all over the focus field from 2 meter to infinity when set at a distance of 3 meters at f/3.4. The DOF scale measurement on top of the Leica lenses shows lines for each f-stop that indicates from which distance to which distance the image will be sharp. Shallow DOF is a generally used term in photography that refer to lenses with very narrow focus tolerance (which can be used to do selective focus; making irrelevant subjects in the foreground and background blurry so only the subjects of essence are in focus and catches the viewers eye).

Depth Of Field scale from Fujifilm.

Dynamic range. The grade of ‘contrast range’ (or number of tones) a film or sensor, or simply a photograph, possess between bright and dark tones. The human eye is said to have a dynamic range of 10-14 ‘stops’ (but because we scan area by area and compile a concept of the overall scene, they eye is often thought to have a much higher dynamic range), Film used to have 7-13 ‘stops’ and some modern sensors have up to 15-17 ‘stops’.

EVF = Electronic ViewFinder. A viewfinder where you look at a small screen through optics/prisms. The advantage is that you see what the sensor sees.

The EVF (Electronic Viewfinder) on the Leica SL 601.

Exposure Bracketing = The possibility to set the camera to automatically record a series of images where the exposure is above and below what the camera measures. The idea is that at least one of the images will be correctly exposed.

f/ (f-stop, also known as aperture).

f- (focal length). Often given in mm, for example 90mm. In the past they were often given in cm or inch, for example 9.5 cm or 3.2 inch.

f-stop = the ratio of the focal length (for example 50mm) of a camera lens to the diameter of the aperture being used for a particular shot. (E.g., f/8, indicating that the focal length is eight times the diameter of the aperture hole: 50mm/8 = 6,25 mm); or the other way around, the hole is the focal length divided with 8).
ORIGIN early 20th cent.: from f (denoting the focal length) and number.
One f-stop is a doubling or halving of the light going through the lens to the film, by adjusting the aperture riing. Adjusting the f-setting from f 1.4 to f.2.0 is halving the light that goes through the lens. Most Leica lenses has half f-stops to enable the photographer to adjust the light more precicely.

The aperture blades inside the lens is clearly visible in this photo by Eolake Stobblehouse.

Flare = Burst of light. Internal reflections between (and within) lens elements inside a lens. Mostly, flare has a characteristic "space travel" look to it, making it cool. Particularly in older lenses with less or no coating of the glass surfaces to suppress this, it can be a really cool effect. In newer lens designs, the coatings and overall design try to suppress flare and any reflections to a degree, so that there is seldom any flare to be picked up (moving the lens to pick up a strong sunbeam), but instead a "milking out" (or "ghosting") of a circular area of the frame; meaning simply overexposed without any flare-looking flares.

Sunlight creating (fairly supressed) flare in the bottom right quadrant of the image of a modern lens.		The camera moved slightly to avoid the flare.
Older lenses with less coating, or without coating, are known to create flare that can look like this (Leica 50mm Summicron-M f/2.0 II Rigid model from the 1960's). © Thorsten Overgaard.

Fn = Short for Function. It's a button you can program. In the Leica Q it is by default set to be White Balance, so when you press it, you can choose which White Balance setting you want. You can press again and another function comes up. To complicate matters more, you can program the FN button to your own likes.

	A 28 mm lens has a 74° viewing angle

Focal length = On the Leica Q it is 28mm and originally referred to the distance from the sensor (or film in older days) to the center of focus inside the lens. Nobody uses that measurement, except those who construct lenses! For users of lenses, focal length refers to how wide the lens sees. The viewing angle, which is often given in for example 90° viewing angle for a 21mm lens, 74° viewing angle for a 28mm lens, 6° viewing angle for a 400mm lens, etc.
Each human eye individually has anywhere from a 120° to 200° angle of view, but focus only in the center.

Focus, in - Sharp and clear in appearance. Focus - “The burning point (of a lens or mirror)”. In Latin the word focus meant fireplace or hearth. The word was probably first employed outside of its Latin literal use as “the burning point of a lens or mirror” in optics, and then came to mean any central point. The German astronomer Johannes Kepler first recorded the word in this sense in 1604.

Full Frame (FF) = The size of the sensor is 24 x 36mm which is the format Oskar Barnack and Leica Camera AG invented with the first Leica that was introduced in 1925. Many other formats invented since, such as APS, APS-C and all usually refer to Full Frame ratio, by which it means what size they have compared to Full Frame.

	Full Frame is "king of photography"

The 24 x 36mm Full Frame format is so "king of photography" that it has continued to be the ideal for all cameras. Besides this, there exists Large Format cameras such as 4x5" (100 x 125 mm) and Medium Format 6x6 (60 x 60mm amongst other sizes in that area).

Hue = A color or shade depending on the dominant wavelength of red, green or blue. The word Hue comes from Swedish hy which is "skin complexion". It is independent of intensity, so often (in computer editing programs for example), Hue is an adjustment along Saturation which is (intensity of color as compared to white).

iAF is "Intelligent Auto Focus," and when on, the camera supposedly uses AFs (Auto Focus Single) until it detects that the subject moves, at which point it switches to AFc (Auto Focus Continuous). Generally, with any camera, I would either manually focus or use AFs, where the autofocus locks onto what I've decided it should focus on (remains stable and does not change). This way, I have a clear understanding of what the camera is doing. With iAF, I don't know when or why the camera changes its focus. After all, I am the one taking the photos, not the camera.

AFc (Continuous) means that the autofocus constantly checks if the focus has moved, triggering a continuous movement of the autofocus mechanism in the camera. This movement is accompanied by vibration, which can be felt and sometimes heard. At the same time, the preview in the viewfinder or on the screen constantly 'vibrates' or 'breathes.'

AFs (Single) is where 1) you point the focusing spot onto a subject or detail or the subject, and 2) when you touch the shutter release, the camera quickly focus on that spot, and 3) as long as you hold the shutter release half down, the focus is locked on that distance no matter where you move the camera (to recompose for example, or to wait for the right moment), and then 4) when you press the shutter release down, the camera takes that photo without delay (as the focus ia already set). When you move your finger away from the the shutter release, the AF is ready to a new cycle of 1, 2, 3, 4.

ISO = Light sensitivity of the camera sensor is given in ISO (International Organization for Standardization). It's a standard that was used in film and is now used in all digital cameras also. The base ISO for the Leica Q sensor is 100 ISO which means that this is what the sensor "sees". All other levels are computer algorithms calculating the effect as if the sensor could "see" more (hence noise at higher ISO levels).
ISO goes in steps of doubling: When the ISO is raised from 100 ISO to 200 ISO, the camera only need half the amount of light to make a picture. For each step in ISO to 400, 800, 1600, 3200, etc the light sensitivity is doubled for the sensor (and the camera sensor only need half the light of the previous ISO to record the same image).

JPEG = A standard for picture format made in the 1990's by Joint Photographic Experts Group). Mostly referred to as JPG as in L1003455.JPG which would be the name for a JPG file from the camera.

Summilux = Refers to the maximum lens aperture - normally f1.4 , "-lux" added for "light" (ie. the enhanced light gathering abilities). In the Leica Q the lens is a Summilux even it is a f/1.7 and not f/1.4.

	LCoS display

LCOS (viewfinder screen in the Leica Q and Leica Q2) = Liquid crystal on silicon is a high-quality method for near-eye displays, better than LCD (Liquid-crystal display). There are two broad categories of LCoS displays: Three-panel and single-panel. In three-panel designs, there is one display chip per color, and the images are combined optically. In single-panel designs, one display chip shows the red, green, and blue components in succession with the observer's eyes relied upon to combine the color stream.

Leica = A compound word derived from " (Lei)tz" and "(ca)mera". Apparently they were originally going to use "LECA", but another camera company already used a similar name in France, so they inserted the 'i' to prevent any confusion.

Lens hood = (also called a Lens shade). A tube or ring attached to the front of a camera lens to prevent unwanted light from reaching the lens and sensor. In the past where lenses were not coated to prevent internal reflections inside the lens, the lens hood was often essential. These days where lenses are coated, the shade serves just as much as decoration and protection (bumper) as well.
ORIGIN Old English hod; related to Dutch hoed, German Hut 'hat,' also to hat.

Lens hood or Lens shade attached to the front of the lens to prevent light rays from the side to hit the optics, which could introduce unwanted light and hence reduce contrast of the image. These days where lenses are coated, the shade serves as decoration and protection as well.

Level Gauge = This is a tool in the viewfinder to see if you hold the camera 100% horizontal and/or vertical. You can turn it on in the Menu > Photo Live View Setup > Level Gauge > On.

Light = Tiny particles called photons that behaves like both waves and particles. Light makes objects visible by reflecting off of them, and in photography that reflecting off of subjects is what creates textures, shapes, colors and luminance. Light in its natural form (emanating from the sun) also gives life to plants and living things, and makes (most) people happier. So far, nobody has been able to determine exactly what light is. The word photography means “writing with light” (photo = light, -graphy = writing). Read more about light in my book Finding the Magic of Light.

Live View = This is the ability to see the image the sensor see, live, via the screen of a digital camera, or via an electronic viewfinder (EVF).

MACRO = Macro lens. The Leica Q2 lens can be turned to Macro which enables you to go close so as to enlarge smaller subjects. The word macro comes from Greek makros ‘long, large.’

The word macro comes from Greek makros ‘long, large.’ Leica Q in Macro mode, 1ii ISO, f/2.8, 1/500 second. © 2015 Thorsten Overgaard.

Maestro II - A processor developed first as Maestro for the Leica S2 and upgraded to Maestro II for the Leica S (Typ 007). The Leica Q has a Mestro II (Leica Q edition) processor developed by SocioNext Inc. based on Fujitsu's Mibeault architecture.

Megapixel (or MP) - Millions of pixels. See pixel further down. How many units of RGB is recorded by a given sensor by taking height x widt. A Leica M10 delivers a 5952 x 3968 pixel file = 23,617,536 piexls. On a screen the resolution you choose determines the size of the image. Say you have a 5000 pixel wide file and your screen is set for 8000 pixels wide. Then the image will fill only the 5000 pixels fo the 8000 and the rest will be empty, If you then change the screen resolution to 5000 wide, the image would be able to fill out the whole screen.

Meßsucher (rangefinder or distance finder) = Mess = range, sucher = finder. It is always correctly written with the "ß". There are technically not three "s", rather the "ß" and one "s" because it is a word constructed by the combining of two precise words.

mm = millimeter(s), as in a 50mm lens. (Earlier in lens history lenses focal length was given in cm = centimeters; as in a 5 cm lens). For anyone used to centimeters and millimeters, it’s no wonder. But if you grew up with inches, feet and yards, you may have had a hard time grasping what a 50mm lens was. But as lenses were designed first in Europe, the metric system with centimeters and millimeters was used to describe lenses.
The reason a 50mm lens is a 50mm lens is that there is 50mm from the focus plane (the film or sensor) to the center of focus inside the lens. When photography was a young subject, it was engineers who made it all, and the users were expected to understand. The engineers were so into the making of the lenses, that it apparently never dawned upon them that today’s users would think of a 21mm lens as a wide angle lens rather than a lens where there is 21mm from the sensor to the center of focus inside the optics.

ND = Neutral Density filters are grey filters that functions as 'sunglasses' for lenses. They simply block the light so that a lens can work at for example f/1.7 in sunshine.

ND (Neutral Density) filters to put in front of lenses to reduce the amount of light that comes in. They don't have any other effect than that and doesn't change contrast, color or anything.

NFC = Near field communication is a technology that enables smartphones and cameras (or other devices) to establish radio communication with each other by touching the devices together or bringing them into proximity to a distance of typically 10 cm (3.9 in) or less.

	PASM in the menu of the Leica Q is most likely is made up from the letters of a mode dial on a traditional camera. Nobody knows for sure.

PASM (screen mode) = Basically means that you are in control of the camera and haven't selected any of the Screen Modes available in the Leica Q menu. PASM is most likely short for P = Program Mode / A = Aperture Priority / S = Shutter Priority / M = Manual Control (... what Moron comes up with those silly abbreviation; and then don't explain them in the manual?).

Pixel - Made up word from Pix (picture) and el (element). A pixel is the smallest full-color (RGB) element in a digital imaging device. The physical size of a pixel depends on how you've set the resolution for the display screen. The color and tonal intensity of a pixel are variable, meaning that each pixel contains RGB. This is different from a camera sensor's small eyes (photosite) that are an intensity of either red, green or blue. You could say that the digital sensor's photosite (where each unit collects just one color; red, green or blue) is the input technology, whereas the pixels on a screen (where each pixel contains red, green and blue) is the output device. So while sensors are measured in megapixels (mega = million), it's their output unit of pixels, and not the input unit of photosites that is measured and stated. See illustration below.

Here's an illustration of how light goes through a color filter that enables the underlying photosites to each record if it';s an R, G or B color - combined - makes up one pixel containing RGB. © Thorsten Overgaard.

S = Single image. When the ring by the shutter release on top of the camera (or in the menu of a digital camera in case it does not have this ring on the ourside) is moved from OFF to S, the camera takes only one photo at the time (Single). The other possibility is Continuous where the camera takes pictures continiously as long as the shutter release button is helt down. (see above).

Saturation: How colorful, intense or pure the color is. Less saturation would be less colorful, more saturation would be more colorful. In today’s photography, de-saturating a photo on the computer will gradually make it less and less colorful; and full de-saturation would make it into a black and white photo.

A photo from Verona, Italy de-saturated, normal saturated and over-saturated. © Thorsten Overgaard.

Sensor = A device that detects a physical property (like light) and records it. A camera sensor is a plane plate with thousands of small “eyes” with (photosites) a lens in front of each (CFA, Color Filter Array), which each individually records the amount of red, green and blue light rays that comes through the lens. Together, Red, Green and Blue form all colors of the spectrum, which becomes a pixel. Sensor comes from Latin sens- ‘perceived’.

Screen Mode = A menu point in the Leica Q that allow you to choose different pre-programmed ways of recording stills with the camera. For example Sunset, Snow/Beach, Fireworks, etc.
Nobody knows what the modes does but they sound helpful. Panorama (move the camera and it takes a series of images; just like iPhone) and Time Lapse (interval of images to record change) are also in the Screen Mode menu and may be useful. All screen modes are equally undefined in the manual, so all you can do is try and see if you can figure out what happened. PASM is the setting you use to avoid any pre-programmed modes (see above.

SDC = Software Distortion Correction. A correction of lens distortion (not straight lines) applied in the camera and which is part of the DNG or RAW file. In Lightroom or Capture One Pro the SDC of the camera file is applied automatically (and cannot be removed), in software like AccuRaw one can open the DNG file without the SDC correction. Sean Reid Reviews have written a good article on what SDC is and does in "Software Distortion Correction".

SDC (Software Distortion Correction): In Lightroom the correction profile for the Fujinon 23mm is applied automatically and cannot be turned off. If you go into Develop mode in Lightroom and look under Lens Correction > Profile, you will see a message in the bottom with an exclamation mark. When you click on that, you get the message above.

Shutter speed dial - The dial on top of the Leica M where you can set the shutter speed manually. It can also be set to A which stands for Aperture Priority (where the camera suggests a shutter speed; or when you move the dial away from A, the camera will show arrows in the viewfinder, suggesting which direction to change the Aperture to, to get the correct exposure).

Shutter speed dial set to 1/1000 of a second.

SLR = Abbreviation for Single-Lens Reflex; the lens that forms the image on the film/sensor also provides the image in the viewfinder via a mirror. The Leica Q has no traditional viewfinder and no mirror. the image seen in the EVF is what the sensor sees.

Summilux = Refers to the maximum lens aperture - here f1.4 , "-lux" added for "light" (ie. the enhanced light gathering abilities). In Leica terminology a Summilux is always a f/1.4 lens and a Summicron is a f/2.0 lens. In the Leica Q2 the lens is f/1.7 but is called a Summilux because it is closer to f/1.4 than f/2.0.

Three-dimensional = Having the three dimensions of height, width and depth. In photography and lens design, three-dimensional effect is also the perception of even small micro-details; the texture of skin can appear flat and dead or three-dimensional and alive. Also, selective focus (foreground and background out of focus) can change the perception of depth. Also see Perspective.

Three-dimensional = Having the three dimensions of height, width and depth. Melrose Avenue in Los Angeles. Leica TL2 with Leica 35mm Summilux-TL ASPH f/1.4. © 2017 Thorsten Overgaard.

Ventilated Shade - A shade is a hood in front of a lens that provides shade from light going straight onto the lens from outside what you are photographing, which could cause internal reflections like flare, which would make the picture less contrasty.
The ventilated shade has holes so it doesn't obstructs the view from the viewfinder. In many of today’s mirrorless cameras where there is no viewfinder looking ver the lens, so there is no actual need for a ventilated shade; but they are considered classic or vintage looking and are still in high demand. It makes no difference for the purpose of the shade (to create shadow) if it is ventilated or not.

Ventilated Shade for the Leica Q3. I make ventilated shades for most lenses and sell them from here.

Viewfinder = a device on a camera showing the field of view of the lens.
1) A built-in viewfinder in a camera that simply show the frame you get when you look through the viewfinder.
2) A rangefinder viewfinder which is also used to focus the lens. In Leica M cameras two pictures has to meet and lay 'on top of each other' for the picture to be in focus.
3) An external viewfinder, usually on top of the camera in the flash shoe, so as to show the field of view of lenses wider than what the built-in viewfinder can show (15mm, 21mm, 24mm, 28mm etc viewfinders exist)
4) Very simple "aiming-devices" on top of a camera that is simply a metal frame without any optics. Just a frame, as for example very old cameras (the original Leica), or when using cameras in diving where you can't look through the camera.
5) A Electronic Viewfinder (EVF) that shows what the sensor sees "live".

	The Full Street Photography Bundle (The three items illustrated below) "Street Photography Masterclass" $698.00 "This is Street Photography" $298.00 18 video classes with PDF work book and illustrated eBook, Normal price $1,296.00 More info Normal price $1,296.00 Save 65%         Only $448.00           Buy Now. Instant delivery. 100% satisfaction or money back. Item #2148-0522		"This is Street Photography" Illustrated eBook + Video Masterclass (The two items illustrated above) For Computer, Kindle, iPad or smartphone. Code applied: "ILOVESTREET" Was 498.00 Today only $298.00 Buy now. Instant delivery. 100% satisfaction or money back. Item #2148-0422

- Thorsten Overgaard
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		I like simple things I make things for myself the way I think they should be, and I use them for my travel to more than twentyfive countries a year. Once I am happy with the way stuff works, I make it available for you to buy. SHOP THE COLLECTION:
Ventilated Shades for most Leica lenses Classic look to the lenses, sturdy protection against bumps and scratches ... and yes, they shade for the light as well.		Camera Straps for Leica M and Leica Q "Simply a leather strap" – My handmade soft calfskin camera strap is the ultimate sophisication in simpliciy and luxury.
Camera Pouches for Leica M and Leica Q The soft calfskin pouch you don't need ... but you just can't resist! For camera with lens, or to keep track of loose parts.		"The Von" Camera Bag Carry-On Travel Made to travel in style. Handmade by the best artisans in Milano, Venice and Verona to bring the owner a liftetime of happiness.
24h Travel Bag with lots of Carry-On space I decided to make a bag with all the space I could ever need to bring onto an airplane.		The Von Mini Messenger The Ideal Walkabout Photographers Bag . Tested for three years all over the world by me.
Camera Backpack I've made a series of backpacks becuase they are practical for many things.		Document Carry-On for iPad or Computer Put a mess of everything in this and you look stylish and organized.
Desk Blotters and Larger-Than-Life Mousepad Nothing beats the feelling of soft calfskin leather on your desk ... but this one takes away reflections, damps the keyboards and makes you happy!		Computer shade for MacBook Pro 15" Better tonality, accurate colors and concentration for the eyes with my travel shade that snaps onto the MacBook with magnets and folds for travel.
Workshops & Masterclasses With Thorsten von Overgaard for Leica enthusiasts and digital photographers in more than 25 countries a year. Pick your favorite city and meet Thorsten Overgaard.		Photography Extension Courses Start an extension course with Thorsten Overgaard, work at your own pace and take the time you want. At your own pace, and home
One-on-one Training anywhere in the world Train with Thorsten Overgaard personally, tailored for you and private, any place in the world, or online.		Video Classes: Learn from Thorsten Overgaard Watch to learn about your camera, how to use light, how to do street photography, or simply to stay inspired.
eBooks on Photography The foremost Leica expert and multi award-winning photographer Thorsten Overgard write books that teach and inspire.		Signed Prints by Thosten von Overgaard Select photgoraphs from the archive of Thorsten von Overgaard, signed, sealed and delivered for your collection.
Adobe Lightroom Presets for Leica As a Leica and Lightroom user you will love the simplicity and original look of the Presets Thorsten made for his Leica files.		Used Leica Cameras Ken Hansen New York Inc updated stock list of second-hand Leica lenses.

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A Life With Leica from Northpass Media.