Pentax SMC FA 645 45mm f/2.8
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| Weight: | 475 g |
| Brand: | Pentax |
| Description: | Bayonet mount: Pentax 645, lens type: wide-angle, focal length: fixed, autofocus, prime lens focal length: 45 mm, aperture F at min. focal length: 2.80, aperture F at max. f |
| Type: | Lens |
| Length: | 66.5 mm |
| Diameter: | 76.5 mm |
| Focal length: | Permanent |
| Lens type: | Wide angle |
| Minimum focus distance: | 0.45 m |
| Auto focus: | There is |
| Focal length of prime lens: | 45 mm |
| Bayonet: | Pentax 645 |
| Filter thread diameter: | 67 mm |
| Aperture F at max. focal length: | 2.8 |
| Aperture F at min. focal length: | 2.8 |
| Minimum aperture F: | 22 |
| Number of element groups: | 8 |
| Number of elements: | 9 |