21mm f/2.8 Elmarit M: Difference between revisions
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*'''Leica Order No.''' - 11 134 '''LLC''' - 139 | *'''Leica Order No.''' - 11 134 '''LLC''' - 139 | ||
*'''Production era''' - 1980-1997 | *'''Production era''' - 1980-1997 | ||
*'''Variants''' - | *'''Variants''' - Early version with non-RF focusing from 16 to 28 inches; later version with RF focusing from 28 inches. | ||
*'''Lens mount''' - Leica M-bayonet | *'''Lens mount''' - Leica M-bayonet | ||
*'''Number of lenses /groups''' - 8 /6 | *'''Number of lenses /groups''' - 8 /6 | ||
Revision as of 15:33, 28 September 2009
- Leica Order No. - 11 134 LLC - 139
- Production era - 1980-1997
- Variants - Early version with non-RF focusing from 16 to 28 inches; later version with RF focusing from 28 inches.
- Lens mount - Leica M-bayonet
- Number of lenses /groups - 8 /6
- F stop range - f/2.8 > f/16
- Closest focusing distance - 0.7 m /2.30 ft
- Smallest object field -
- Diaphragm setting /type -
- Angle of view diagonal - 92 degrees
- Filter type -
- Accessories -
- Materials -
- Dimensions (length x diameter) -
- Weight - 290 g /10.23 oz
- Inscription - LEITZ ELMARIT-M 1:2.8/21 3XXXXXX
- Designer - Walter Mandler
