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PENTAX K mount
| Name Manufacturer / Model | Mount Bayonet | Type Category | Year Released | Focal mm | Aperture f/ | Weight g |
|---|---|---|---|---|---|---|
| PENTAX K | Macro | 1991 | 28mm | f/2.8 | 155g | |
| PENTAX K | Macro | 1988 | 35-135mm | f/3.5 | — | |
| PENTAX K | Macro | — | 35-200mm | f/4 | — | |
| PENTAX K | Macro | 1985 | 35-70mm | f/3.4 | — | |
| PENTAX K | Macro | — | 35-70mm | f/3.5 | — | |
RicohRikenon P 35mm F/2.8 | PENTAX K | Wide | 1984 | 35mm | f/2.8 | 150g |
RicohRikenon P 50mm F/1.4 | PENTAX K | Portrait | 1985 | 50mm | f/1.4 | 250g |
RicohRikenon P 50mm F/1.7 | PENTAX K | Portrait | 1984 | 50mm | f/1.7 | 153g |
| PENTAX K | Portrait | — | 50mm | f/1.7 | — | |
RicohRikenon P 50mm F/2 | PENTAX K | Portrait | 1984 | 50mm | f/2 | 135g |
RicohRikenon P 55mm F/1.2 | PENTAX K | Portrait | — | 55mm | f/1.2 | — |
| PENTAX K | Macro | 1991 | 60-300mm | f/4 | — | |
| PENTAX K | Zoom | 1985 | 70-210mm | f/3.9 | — | |
| PENTAX K | Macro | 1996 | 70-210mm | f/3.9 | — | |
| PENTAX K | Macro | — | 70-210mm | f/4.5 | — | |
| PENTAX K | Zoom | 1988 | 70-300mm | f/4.5 | — | |
| PENTAX K | Macro | — | 70-300mm | f/4.5 | — | |
| PENTAX K | Telephoto | 1977 | 135mm | f/2.8 | 440g | |
| PENTAX K | Fisheye | 1982 | 16mm | f/2.8 | 300g | |
| PENTAX K | Wide | 1982 | 18mm | f/2.8 | 348g | |
RicohXR Rikenon 200mm F/4 | PENTAX K | Telephoto | 1978 | 200mm | f/4 | 405g |
| PENTAX K | Telephoto | 1977 | 200mm | f/4 | 405g | |
| PENTAX K | Telephoto | 1980 | 200mm | f/4 | 620g | |
| PENTAX K | Wide | 1982 | 24mm | f/2.8 | 210g | |
| PENTAX K | Wide | 1977 | 28mm | f/2.8 | 190g | |
| PENTAX K | Wide | 1977 | 28mm | f/3.5 | 190g | |
| PENTAX K | Wide | 1996 | 28mm | f/3.5 | 55g | |
| PENTAX K | Wide | 1996 | 28mm | f/3.5 | 55g |