Super-APO-Summicron-SL 21 f/2 ASPH.
ultra-wide-angle lens
Technical Details
| Order Number | 11 181 |
| View angle (diagonal/horizontal/vertical) Full-frame (24 × 36 mm) |
91.7°/81.2°/59.5° |
| Lens system | |
| Number of lenses/assemblies | 14/11 |
| Number of aspherical surfaces | 3 |
| Position of the entrance pupil before the bayonet | 22.9 mm |
| Focus range | 0.21 m to infinity |
| Focusing | |
| Setting | Choose automatic (Autofocus) or manual mode on the camera |
| Smallest object field | Full-frame: 127 × 191 mm |
| Largest scale | 1:5.3 |
| Aperture | |
| Setting/Function | Electronically controlled aperture, setting on the camera, half or third values can also be set |
| Smallest aperture | 22 |
| Bayonet | Leica L bayonet fitting with contact strip |
| Filter thread | E67 |
| Lens hood | Screw-on (included in the scope of delivery) |
| Dimensions | |
| Length | approx. 102/133 mm (without/with lens hood) |
| Diameter | approx. 73/105 mm (without/with lens hood) |
| Weight | approx. 789/839 g (without/with lens hood) |
技術參數文件
Leica Super-APO-Summicron-SL 1:2/21 ASPH. - Technical Data
English
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