Pre-Photokina 2006: Leica has today unveiled its long awaited M8 Digital Rangefinder camera. Some fifty-two years since Leica introduced the first M series camera (the M3) they have introduced what is without doubt a milestone model, the first digital M series. The M8 has a ten megapixel CCD (with special offset microlenses to reduce vignetting) which produces a 1.3x FOV crop, it is built around the same sold metal design which has become the M series trademark with a solid brass top and base and a magnesium alloy cast main section. This camera has been built from the ground up as a digital rangefinder but without compromising the size, quality or usability of the M series design. We have been lucky enough to have an M8 in order to produce a detailed hands-on preview.
Click here for our detailed hands-on preview of the Leica M8
(full specifications and detailed camera preview)
A camera legend goes digital
Leica Camera AG, Solms is exhibiting the new LEICA M8 at photokina in Cologne (26th September to 1st October 2006). It is the first digital camera to use the Leica viewfinder system. All the key characteristics of the analog Leica reporter’s camera such as the compact design, the exceptional picture quality in conjunction with the Leica M lenses and the unique picture composition using the Leica viewfinder have been seamlessly carried over into the digital world.
This professional-standard digital camera “Made in Germany” uses an image sensor specially developed for the requirements of the Leica M system. Almost all Leica M system lenses made since 1954 are also suitable for digital photography, thanks to their high performance level. The combination of lenses, sensor and high-performance picture editing generates outstanding picture quality with a resolution of 10.3 million pixels.
The new LEICA M8 has a notably low-noise CCD image sensor with a basic speed of ISO 160. The maximum speed of ISO 2500 means the new camera is ideally suited to available light photography, a typical Leica M feature. The LEICA M8 offers the photographer many useful details such as a tone value histogram which permits qualitative exposure control for even the smallest details of the subject in each enlargement section. Thanks to really simple operation with very few controls and clearly laid-out menus, the new camera also demonstrates typically Leica concentration on the essentials.
“The LEICA M8 enriches digital photography with tradition, values and inspiration” says Dr. Ralph Nebe, “Above all the new LEICA M8 shows that the Leica Camera AG has found its own path straight into the digital world. With enhanced innovative power for digital solutions in both the camera and sport optics product sectors, together with rigorous updating of analog solutions, the company is fit for the future again.“
The LEICA M8 will be available in the shops end of November 2006.
The notably low-noise CCD image sensor has been rigorously optimised for the special features of the Leica M lens system and offers a resolution of 10.3 million pixels.
CCD technology generates less noise than any other type of sensor and was therefore chosen as the image sensor for the LEICA M8. The speed settings of ISO 160 through to 2500 permit pictures with a greater wealth of detail than can be achieved with analog film.
The special design of the viewfinder camera with no mirror box allows the typically compact and flat shape of the LEICA M to be retained, but leads to a higher angle for entry of light beams into the sensor. Comprehensive measures have been taken so that the picture quality demanded by Leica is nevertheless achieved. The special modification of the image sensor with a micro-lens offset avoids any annoying vignetting in the corners of the picture. A particularly thin cover glass, reduced to only 0.5mm, prevents the usual undesirable refraction of light when light rays strike at an angle. High-contrast, sharp and exactly true colour reproduction right into the corners of the picture is the result of these efforts.
Leica deliberately rejected a Moiré filter, which filters out fine details of the picture, so as to fully exploit the high resolution of the Leica M lens. Any Moiré fringes that occur are instead eliminated during digital signal processing within the camera.
“Whilst a focal length extension factor of 1.5 is normal for many manufacturers, the LEICA M8 uses a CCD image sensor with 18 x 27 mm recording area“ says Rainer Bültert, Product Manager for the M System at Leica Camera AG: “The small focal length extension factor of 1.33 enables creative freedom even in digital Leica M photography by using selective image sharpness with an open aperture“.
The factor of 1.33 means that the equivalent focal length of the lens is shifted slightly by about one focal length step towards a telescopic focal length. So a 21 mm lens has an equivalent focal length of 28 mm. The lens range of the Leica M system is extended with the introduction of the LEICA M8 by two wide-angle lenses in the range from 16 to 28 mm focal length; these lenses are available for use on both analog and digital cameras. The new lenses are characterised by the typical Leica exceptionally high optical performance, even at fully open aperture.
The LEICA M8 can be used with virtually all lenses in the Leica M range produced since 1954. This high system compatibility has been maintained through the changeover in recording technology from film to digital. Even new customers who start with a digital LEICA M8 receive many application options and profit from the high retained value of Leica products. The high mechanical and optical precision of the Leica and the exceptionally good picture capabilities, above all in the current product range, mean that Leica M lenses are ideally suited to digital applications. Performance criteria such as the individual coating of each lens are provided as standard and need not be ordered as special measures for “digital lenses”.
With a new 6-bit coding on the bayonet ring, the LEICA M8 can recognise the lens type that is used. This information is used by the camera for additional picture quality improvement by compensating for artificial vignetting. For this purpose the lens type is saved in the Exif picture file. All lenses delivered from the factory since 1st July 2006 have this new coding, but they can also be used without restriction on the current LEICA MP and LEICA M7 analog models, and indeed on all the classic models produced since 1954. Current lens models, and many earlier lens models, can be retrofitted on a chargeable basis so that they can support this picture optimisation feature of the camera. Even without modification, the lenses are fully compatible with the LEICA M8, albeit without supporting the additional features.
The Leica viewfinder system distinguishes the LEICA M8 from the general run of mirror reflex and compact cameras on the market. It makes the camera into a specialist tool for living reportage and available-light photography, and for discreet portraiture. The photographer is part of the action and the viewfinder is his frame to capture what he is seeking – a scene, a mood, a moment. He also sees what is happening outside the viewfinder frame. The deciding instant can be foreseen and recorded at the right moment. The result is a particularly authentic shot, which contains nothing that betrays the presence of the photographer.
The photographer sees his subject in the lighting conditions as they are, and even in difficult available-light situations the viewfinder’s wide range of brightness and contrast allows quick and precise focussing. Together with the short release delay – in digital as well as analog photography – this means that the Leica M cameras have one of the quickest viewfinder operations in the world.
A mirror reflex system must focus through the lens, which determines the accuracy to which it can determine the focal length and light intensity. In contrast, the metering basis for the Leica M is the range finder, whose performance is always the same, irrespective of the lens. Therefore its accuracy at short focal lengths is many times better than mirror reflex systems. The high-contrast metering field in the centre of the image guarantees quick, precise and spot-on focussing even under extremely poor lighting conditions.
The image field selector allows the photographer to simulate the effects of different focal lengths and to determine the correct focal length in advance, without having to change the lens. The six different bright-line frames always show the exact boundaries of the picture, since their position is adjusted by the automatic parallax compensation, depending on the range setting. All other relevant information and the surroundings of the subject can be seen in the bright-line frame viewfinder, for a perfect result – the ideal conditions for spontaneous and unobtrusive photography.
The electronically controlled metal blade slot shutter permits exposure times down to 1/8000 of a second. Even under bright lighting conditions the photographer has full freedom of composition by use of selective image sharpness with an open aperture. The short flash synchronisation time of 1/250 of a second now permits even daylight flash pictures with selective sharpness.
The LEICA M8 guides the photographer’s concentration on to the picture, not the operation of the camera. Therefore the creative aspects of aperture, time and focal plane which determine the result of the picture are in foreground. Great care, many years of experience and comprehensive knowledge of how professional photographers work have contributed to the operating concept of the LEICA M8 digital functions. By concentrating on the essentials even here a simple, clear and intuitive user guide has been created: in the LEICA M8, multiple loadings of function keys and nested menus have been deliberately eliminated.
The core controls for operating the digital functions are the direction buttons and rotary setting dial, which in combination allow rapid navigation. By pressing the “Set” button, the picture parameters menu is called up on the 2.5“ monitor. Here the principal settings for the picture can quickly be selected: sensor speed, lighting correction, white balance, data compression and picture resolution. Three saved profile slots are available for quickly calling up frequently used and application-specific combinations.
The menu button allows a clear system menu to be called up for selecting the long-term basic settings, such as the ECI RGB, Adobe ® RGB and sRGB colour variants. The photographer can here make his own choice about whether the photographs should be shown for checking on the large display directly after they have been taken, how long they should be displayed and whether he wishes to see a tonal values histogram with that display.
The LEICA M8 has an auto-release function with two selectable delay times of two and twelve seconds.
An information display at the top of the left side of the body shows the remaining capacity of the SD card and the remaining charge of the lithium ion rechargeable battery. These photographically elementary displays can be read at a glance at any time.
Innovative flash technology
The modern metal blade slot shutter in the LEICA M8 enables very short flash synchronisation times down to 1/250 of a second. In addition, the LEICA M8 for the first time uses the new M-TTL flash technology. The special feature of this is that immediately before the actual flash illumination, a calibration pre-flash is fired. The TTL metering detects the light reflected from the surface of the subject, and determines the exact power requirement for the main flash. The smooth addition of the flash lighting power to the ambient light allows flash pictures that have the appearance of being under natural lighting.
The “Auto Slow Sync” function permits the use of aperture priority mode in combination with flash technology. This provides a balanced background to the picture, even if the intensity of the continuous lighting changes. To achieve the correct lighting, an appropriately metered brightening flash is used. Depending on the desired effect or experience, varying lengths of lighting time can be set for the aperture priority mode. This can be input manually, or if coded lenses are being used, is can be determined automatically, using the proven rule of thumb “1/focal length = lighting time in seconds”.
Checking results using the tonal value histogram
As a professional digital camera, the LEICA M8 offers a RGB tonal value histogram. This can be called up at any time for quality assessment of the saved pictures. This function can also be combined with the automatic picture review. Another useful feature is the additional identification of overexposed parts of the picture, by means of a “Clipping Warning”. By using sectional enlargement, these two checking tools can be continuously updated and permit quality assessment of even the finest details of a picture. All photographically relevant settings in the picture parameter menu and also other “meta-information” stored with the picture can be displayed as required by pressing the function key. They enable comprehensive checking of the resulting digital picture at time and place it was taken.
Use of raw data in DNG format using Capture One LE software
The Capture One LE professional raw data converter ensures that raw data supplied by the CCD sensor and saved in the in the future-proof Adobe® Digital Negative (DNG) format is “developed” in the best possible quality. Together with the Danish software company Phase One, Leica has undertaken thorough camera profiling and adapted the software to suit the requirements. The results are quality-optimised algorithms for digital colour processing, which generate particularly low-noise pictures which at the same time display astonishing picture resolution. The development of the finest tonal value steps from the 16-bit picture delivered by the CCD sensor is comparable to the picture quality achieved by a professional combination of film and specialist laboratory development. The logical, quality-determining functions and the clear user interface allows the user to quickly master the use of Software Capture One LE to create outstanding results.
LEICA DIGITAL CAPTURE
The LEICA M8 is loaded with special software for remote control of the camera for scientific purposes or for use in a photographic studio. This software allows the camera shutter to be released from a computer using the USB connection. The picture data are saved directly on the hard disk. All settings of the picture parameter menu such as the ISO value of the resolution can be sent to the camera by the software.
Materials, machining and dimensions
The robust top panel and the solid bottom cover are machined from solid brass blocks using the most modern milling techniques. The enclosed all-metal body is made of a highly stable magnesium alloy for professional use over many years. The rechargeable battery and the SD card slot are well protected from dust and moisture under the bottom cover. The cover effectively prevents inadvertent opening and thus the loss of the rechargeable battery and SD card, even when the camera is used for reportage under tough conditions. This design, proven over decades in the Leica M system, increases the robustness of the camera.
The compact dimensions of the LEICA M8 are138.6mm × 80.2mm × 36.9mm, just a few millimetres larger than the ideal size of the LEICA M7. Apart from a few differences in the controls, such as the absence of the wind-on lever and the rewind button, the front view of the LEICA M8 in is virtually identical to this analog version. The discreet appearance of the camera and the timeless elegance, particularly prized by many customers, are retained.
The assembly and adjustment of the camera, together with the minute checking of all mechanical and electronic details are precision hand-crafted in the Leica factory in Solms. Leica Customer Service maintains and repairs cameras over decades and thus creates the basis for long retention of value. Currently all M cameras produced since 1954 are supported by service in this way.
Cleaning the sensor: The LEICA M8 has a special function for manual cleaning of the image sensor: if the appropriate item in the menu is selected and the release pressed, the shutter remains open for the duration of the cleaning. The flat profile of the Leica M camera means that the sensor is more easily accessible than in a digital mirror reflex camera, where the sensor is accessible only by reaching behind the mirror mounting.
Click here for our detailed hands-on preview of the Leica M8
(full specifications and detailed camera preview)
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