| 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-format |
| Optical design |
Number of elements / groups: 10 / 7 |
| Focusing range: |
0.5 m to Infinity, range from 0.5 to 0.7 m separated by index |
| Scales: |
Combined meter/feet graduation with uniform grey figures below 0.7 m |
| Smallest 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. 1:30 |
| Smallest 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. 1:30 |
| Highest reproduction ratio: at 0,7 m |
at 16 mm: 1:38 at 18 mm: 1:35 at 21 mm: 1:30 |
| Setting / Function: |
Preset, with click-stops, half values available |
| Lowest value: |
22 |
| Bayonet |
Leica M quick-change bayonet with 6 bit lens identification bar code for digitalM models |
| Filter (type) |
Male thread, non-rotating and with stop for filter holder or lens hood |
| Lens hood |
screw-on type lens hood (included in delivery), filter holder for E67 size filters optionally available |
| Dimensions |
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 g |