Xeen 20mm T1.9 Nikon F
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| Weight: | 935 g |
| Brand: | Xeen |
| Description: | Mount: Mamiya 645, lens type: standard, focal length: variable, min. focal length: 55 mm, max. focal length: 110 mm, aperture F at min. focal length: 4.50, aperture F at max. focal length |
| Type: | Lens |
| Functions: | Adapted for video |
| Length: | 92.8 mm |
| Diameter: | 117.6 mm |
| Focal length: | Permanent |
| Lens type: | Wide angle |
| Minimum focus distance: | 0.2 m |
| Focal length of prime lens: | 20 mm |
| Bayonet: | Nikon F |
| Filter thread diameter: | 114 mm |
| Aperture F at max. focal length: | 1.9 |
| Aperture F at min. focal length: | 1.9 |
| Minimum aperture F: | 22 |
| Number of aperture blades: | 11 |