21mm f/3.4 Super-Angulon-M: Difference between revisions
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(Created page with "400px *'''Angle of view''' (diagonal, horizontal, vertical) for 35mm (24 x 36 mm): 91°, 80°, 59°- for M8 (18 x 27 mm) - 74°, 64°, 46° (Equivalent f...") |
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[[Image:M21f34.jpg|400px]] | [[Image:M21f34.jpg|400px]] | ||
*'''Angle of view''' (diagonal, horizontal, vertical) for 35mm (24 x 36 mm): 91°, 80°, 59° | *'''Angle of view''' (diagonal, horizontal, vertical) | ||
**for 35mm (24 x 36 mm): 91°, 80°, 59° | |||
**for [[M8]] (18 x 27 mm) - 74°, 64°, 46° (Equivalent focal length : approx. 28 mm) | |||
*'''Optical design''' | *'''Optical design''' | ||
**'''Number of lenses/groups''': 8 / 7 - Aspherical surfaces: 2 | **'''Number of lenses/groups''': 8 / 7 - Aspherical surfaces: 2 | ||
Revision as of 01:34, 26 June 2011
- Angle of view (diagonal, horizontal, vertical)
- for 35mm (24 x 36 mm): 91°, 80°, 59°
- for M8 (18 x 27 mm) - 74°, 64°, 46° (Equivalent focal length : approx. 28 mm)
- Optical design
- Number of lenses/groups: 8 / 7 - Aspherical surfaces: 2
- Position of entrance pupil - 15.6 mm (related to the first lens surface in light direction)
- Distance setting
- Focus range: 0.7 m - ∞
- Scales - Combined meter/feet graduation
- Smallest object field - 706 mm x 1059 mm (35mm) / 530 mm x 795 mm (for M8)
- Largest reproduction ratio - 1 : 29.4
- Aperture
- Setting/Function - With click-stops, half values available, manual diaphragm
- Lowest value - f /16
- Bayonet - Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
- Filter mount/Lens hood
- Non-rotating
- Female thread - for screw-on filters E46
- Male thread - with stop for lens hood (included in delivery)
- Dimension and weight
- Length - ca. 43 /55 mm (with /without Lens hood)
- Largest diameter - approx. 53mm
- Weight - approx. 279 g
