Super-APO-Summicron-SL 21 f/2 ASPH.
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 |