Voigtländer announced a new 21mm f/1.8 Ultron lens for Leica M mount rangefinders:
Focal Length | 21 mm |
Aperture Ratio | 1:1.8 |
Smallest Aperture | F22 |
Lens Construction | 11 groups, 13 elements |
Picture angle | 91° |
Aperture blades | 10 |
Closest distance | 0.5 m |
Focus range | ∞ - 0.7m |
Diameter | 69.0 mm |
Length | 78.4mm (with lenshood) |
Weight | 412g |
Filter size | 58 mm |
Mount | VM |