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TOPCON mount
| Name Manufacturer / Model | Mount Bayonet | Type Category | Year Released | Focal mm | Aperture f/ | Weight g |
|---|---|---|---|---|---|---|
| TOPCON | Telephoto | — | 100mm | f/4 | — | |
| TOPCON | Telephoto | — | 135mm | f/4 | — | |
| TOPCON | Wide | — | 35mm | f/3.5 | — | |
| TOPCON | Portrait | — | 53mm | f/2 | — |
| Name Manufacturer / Model | Mount Bayonet | Type Category | Year Released | Focal mm | Aperture f/ | Weight g |
|---|---|---|---|---|---|---|
| TOPCON | Telephoto | — | 100mm | f/4 | — | |
| TOPCON | Telephoto | — | 135mm | f/4 | — | |
| TOPCON | Wide | — | 35mm | f/3.5 | — | |
| TOPCON | Portrait | — | 53mm | f/2 | — |