laicaを理解するための7冊

for 35 mm (24 x 36 mm):: at 16 mm: 107° 97° 74° at 18 mm: 100° 90° 67° at 21 mm: 92° 81° 60°for digital (18 x 27 mm):: at 16 mm: 90° 80° 59° at 18 mm: 84° 74° 53° at 21 mm: 75° 65° 46° corresponds approx. to a focal length of 21/24/28 mm with 35 mm-formatOptical design:Number of elements / groups: 10 / 7Focusing range::0.5 m to Infinity range from 0.5 to 0.7 m separated by indexScales::Combined meter/feet graduation with uniform grey figures below 0.7 mSmallest object field: for 35mm: at 16 mm: 915 x 1373 mm approx. 1:38 at 18 mm: 833 x 1250 mm approx. 1:35 at 21 mm: 725 x 1087 mm approx. 1:30Smallest object field: for digital:: at 16 mm: 688 x 1032 mm approx. 1:38 at 18 mm: 626 x 939 mm approx. 1:35 at 21 mm: 545 x 817 mm approx. 1:30Highest reproduction ratio: at 0 7 m: at 16 mm: 1:38 at 18 mm: 1:35 at 21 mm: 1:30Setting / Function::Preset with click-stops half values availableLowest value::22Bayonet:Leica M quick-change bayonet with 6 bit lens identification bar code for digitalM modelsFilter (type):Male thread non-rotating and with stop for filter holder or lens hoodLens hood: screw-on type lens hood (included in delivery) filter holder for E67 size filters optionally availableDimensions: Length: approx. 62/72 mm (with/without lens hood) Largest diameter: approx. 54 mm (53 x 58 mm with lens hood)Weight:approx. 11.8 oz / 335 gWith its impressive angle of view of 107° this new TRI-ELMAR conquers 16 mm super wide-angle photography in perfect Leica M style. Due to the minimal distortion and barely perceptible field curvature it can be recommended for highly demanding architecture photography even at the 16 mm setting. Used on thedigital M8 it produces the image effect of a 21 - 28 mm lens still enabling extreme wide-angle views. The ultra compact shape is achieved by two aspherical elements. A new design of the interior focusing significantly enhances the quality in the close-focus range through an adaption of the floating element principle. Brilliant field depth can therefore be used from a distance of 0.33m for hyperfocal photography. Save money by buying the lens in a set together with the Universal Wide-angle Viewfinder M. (included in this version) The LEICA UNIVERSAL WIDE-ANGLE VIEWFINDER M enables precise cropping of the subject with the LEICA TRI-ELMAR-M f/4/16-18-21 mm ASPH. on the LEICA M7 and MP as well as the digital LEICA M8. For the LEICA M8 the focal length extension factor of 1.33x has to be considered so in this case the bright-line frames for21 24 or 28 mm are set on the LEICA UNIVERSAL WIDE-ANGLE VIEWFINDER M. A parallax compensation dial enables adjustment of the frame to the focusing distance in five steps. Thanks to one aspherical lens element and one with achromatic correction the LEICA UNIVERSAL WIDE-ANGLE VIEWFINDER M is insensitive to stray light and features high resolution and exceptional brilliance. An illuminated spirit level helps to keep the camera horizontal even in unfavorable light conditions. The eyepiece has a screw mount for optionally available diopter correction lenses.

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