Pentax SMC FA 80-320mm f/4.5-5.6
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| Weight: | 550 g |
| Brand: | Pentax |
| Description: | Mount: Pentax KA/KAF/KAF2/KAF3, lens type: telephoto, focal length: variable, autofocus, min. focal length: 80 mm, max. focal length: 320 mm, aperture F at min. focal length: |
| Type: | Lens |
| Functions: | Focusing motor for Nikon F |
| Max. focal length: | 320 mm |
| Min. focal length: | 80 mm |
| Focal length: | Variable |
| Lens type: | Telephoto lens |
| Zoom ratio: | 4x |
| Max viewing angle: | 30.3 deg.min |
| Minimum focus distance: | 1.5 m |
| Auto focus: | There is |
| Bayonet: | Pentax KA/KAF/KAF2/KAF3 |
| Filter thread diameter: | 58 mm |
| Aperture F at max. focal length: | 5.6 |
| Aperture F at min. focal length: | 4.5 |
| Minimum viewing angle: | 7.45 deg.min |
| Number of element groups: | 10 |
| Number of elements: | 13 |