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3M-7
| Name Manufacturer / Model | Mount Bayonet | Type Category | Year Released | Focal mm | Aperture f/ | Weight g |
|---|---|---|---|---|---|---|
3M-7300mm F/5.6 | M42 | Telephoto | — | 300mm | f/5.6 | — |
3M-7300mm F/5.6 | PENTAX K | Telephoto | — | 300mm | f/5.6 | — |
#DE2910
| Name Manufacturer / Model | Mount Bayonet | Type Category | Year Released | Focal mm | Aperture f/ | Weight g |
|---|---|---|---|---|---|---|
3M-7300mm F/5.6 | M42 | Telephoto | — | 300mm | f/5.6 | — |
3M-7300mm F/5.6 | PENTAX K | Telephoto | — | 300mm | f/5.6 | — |