Telear K 300mm f/4.5
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| Weight: | 990 g |
| Brand: | Zenith |
| Description: | Mount: Pentax KA/KAF/KAF2/KAF3, lens type: telephoto, focal length: fixed, prime lens focal length: 300 mm, aperture F at min. focal length: 4.50 |
| Type: | Lens |
| Length: | 155 mm |
| Diameter: | 80 mm |
| Focal length: | Permanent |
| Lens type: | Telephoto lens |
| Minimum focus distance: | 3m |
| Focal length of prime lens: | 300 mm |
| Bayonet: | Pentax KA/KAF/KAF2/KAF3 |
| Filter thread diameter: | 72 mm |
| Aperture F at min. focal length: | 4.5 |
| Minimum aperture F: | 22 |
| Minimum viewing angle: | 8 deg.min |
| Number of element groups: | 6 |
| Number of elements: | 7 |