Pentax SMC FA 28mm f/2.8 AL
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| Weight: | 185 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: | 40.5 mm |
| Diameter: | 65 mm |
| Focal length: | Permanent |
| Lens type: | Wide angle |
| Max viewing angle: | 75 deg.min |
| Minimum focus distance: | 0.3 m |
| Auto focus: | There is |
| Focal length of prime lens: | 28 mm |
| Bayonet: | Pentax KA/KAF/KAF2/KAF3 |
| Filter thread diameter: | 49 mm |
| Aperture F at min. focal length: | 2.8 |
| Minimum aperture F: | 22 |
| Number of element groups: | 5 |
| Number of elements: | 5 |