2.2 - 2.6 or 9 - 25 (values in white: for use without the associated center spot filter)/2.3 - 6.3 (values in red: for use with the associated center spot filter) Bayonet fitting Leica M quick-change bayonet with 6 bit lens identifica- tion bar code for digital M models...
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35 mm (24x36 mm). The 6 bit lens identification bar code (8) situated on the bayonet flange enables the digital Leica M models to identify the attached type of lens. This information is utilized by the camera to optimize exposure and image data.
SPECIAL FEATURES Please visit the Leica Camera AG homepage for more information about the visual and technical details: http://us.leica-camera.com...
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STRUCTURE OF THE LENS In the Leica Thambar-M 90 f/2.2, the rotating front part of the lens mount contains the aperture setting ring (3), the knurled gripping ring for distace setting (4) and the aperture (3b) and distance scales (4a). The index for distance setting (5), the depth of field scale (6) and a red dot for lens change (7) are located on the fixed rear part of the lens mount.
openings and the center spot results in dark to black round areas in the middle of the image. Blocking the central beam also means that unfocussed light spots are portrayed as bright rings. ADJUSTING OF THE APERTURE It is recommended first of all to set the aperture with the relevant ring (3) and only then to adjust the focus, since the aperture scales (3b) are located on the rotating front part of the lens mount and consequently cannot be seen completely from above at all distance settings.
LENS HOOD The lens hood (1) for the Leica Thambar-M 90 f/2.2 is aligned straight to the lens and then pushed onto its front mount. It can also be put on the other way round for space-saving storage. In this position, the metal cover supplied can be put on.
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TIPS ON LENS CARE Dust on the outside of the lens is removed only with a soft-haired brush or a soft, clean, dry microfiber cloth. We recommend micro-fiber cloths (available from photographic and optical specialists) that are stored in a protective container and can be washed at temperatures of up to 40°C (without fabric softener, never iron!).
LEICA CUSTOMER CARE Please contact the Customer Care department of Leica Camera AG for the maintenance of your Leica equipment and for help and advice regarding Leica products and how to order them. You can also contact the Customer Care department or the repair service provided by your regional Leica subsidiary for repairs or warranty claims.
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