Pentax SMC FA 20-35mm f/4 AL
|
|
| Weight: | 245 g |
| Brand: | Pentax |
| 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: | Focusing motor for Nikon F |
| Length: | 68 mm |
| Diameter: | 69.5 mm |
| Max. focal length: | 35 mm |
| Min. focal length: | 20 mm |
| Focal length: | Variable |
| Lens type: | Wide angle |
| Zoom ratio: | 1.8x |
| Max viewing angle: | 94 degrees min |
| Minimum focus distance: | 0.3 m |
| Auto focus: | There is |
| Bayonet: | Pentax KA/KAF/KAF2/KAF3 |
| Filter thread diameter: | 58 mm |
| Aperture F at max. focal length: | 4 |
| Aperture F at min. focal length: | 4 |
| Minimum aperture F: | 32 |
| Minimum viewing angle: | 63 degrees min |
| Number of element groups: | 8 |
| Number of elements: | 10 |