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TOPCON mount
| Name Manufacturer / Model | Mount Bayonet | Type Category | Year Released | Focal mm | Aperture f/ | Weight g |
|---|---|---|---|---|---|---|
| TOPCON | Telephoto | 1974 | 135mm | f/2.8 | 370g | |
| TOPCON | Telephoto | 1974 | 200mm | f/3.3 | — | |
| TOPCON | Wide | 1974 | 28mm | f/2.8 | — | |
| TOPCON | Wide | 1977 | 35mm | f/2.8 | 200g | |
| TOPCON | Portrait | — | 55mm | f/1.7 | 207g | |
| TOPCON | Zoom | 1974 | 35-100mm | f/3.5 | — | |
| TOPCON | Telephoto | 1957 | 100mm | f/2.8 | 280g | |
| TOPCON | Telephoto | 1957 | 135mm | f/3.5 | — | |
| TOPCON | Wide | 1957 | 35mm | f/2.8 | 250g | |
| TOPCON | Portrait | 1957 | 58mm | f/1.8 | 270g | |
| TOPCON | Macro | — | 135mm | f/4 | 260g | |
| TOPCON | Macro | — | 58mm | f/3.5 | 120g | |
| TOPCON | Telephoto | 1960 | 100mm | f/2.8 | 280g | |
| TOPCON | Telephoto | — | 135mm | f/3.5 | — | |
| TOPCON | Wide | 1960 | 35mm | f/2.8 | 250g | |
| TOPCON | Portrait | 1959 | 58mm | f/1.8 | 220g | |
| TOPCON | Macro | — | 135mm | f/4 | 260g | |
| TOPCON | Macro | — | 58mm | f/3.5 | 120g | |
| TOPCON | Portrait | 1960 | 135mm | f/2 | 1150g | |
| TOPCON | Telephoto | 1960 | 135mm | f/3.5 | 400g | |
| TOPCON | Telephoto | 1960 | 200mm | f/4 | 860g | |
| TOPCON | Telephoto | 1960 | 300mm | f/5.6 | 740g | |
| TOPCON | Prime | — | 50mm | f/2.8 | — | |
| TOPCON | Telephoto | 1958 | 90mm | f/3.5 | 190g | |
| TOPCON | Portrait | 1963 | 50mm | f/1.8 | 290g | |
| TOPCON | Portrait | 1973 | 50mm | f/1.4 | 350g | |
| TOPCON | Telephoto | 1965 | 100mm | f/2.8 | 265g | |
| TOPCON | Telephoto | 1963 | 135mm | f/3.5 | 400g |