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PENTAX K mount
| Name Manufacturer / Model | Mount Bayonet | Type Category | Year Released | Focal mm | Aperture f/ | Weight g |
|---|---|---|---|---|---|---|
| PENTAX K | Telephoto | 1982 | 100-300mm | f/5.6 | 600g | |
| PENTAX K | Telephoto | — | 135mm | f/2.8 | 375g | |
| PENTAX K | Wide | 1985 | 17mm | f/3.5 | — | |
| PENTAX K | Telephoto | — | 200mm | f/3.5 | 560g | |
| PENTAX K | Zoom | — | 28-50mm | f/3.5 | 285g | |
| PENTAX K | Wide | — | 28mm | f/2.8 | 185g | |
| PENTAX K | Zoom | — | 35-70mm | f/2.7 | 460g | |
ChinonAuto Chinon 50mm F/1.4 | PENTAX K | Portrait | — | 50mm | f/1.4 | 213g |
| PENTAX K | Portrait | — | 50mm | f/1.4 | 213g | |
ChinonAuto Chinon 50mm F/1.7 | PENTAX K | Portrait | — | 50mm | f/1.7 | 166g |
| PENTAX K | Portrait | — | 50mm | f/1.7 | 166g | |
ChinonAuto Chinon 50mm F/1.9 | PENTAX K | Portrait | — | 50mm | f/1.9 | 139g |
| PENTAX K | Zoom | 1982 | 70-210mm | f/3.8 | 580g | |
| PENTAX K | Zoom | 1982 | 80-200mm | f/4.5 | 500g | |
ChinonAF 28-70mm F/3.5-4.5 | PENTAX K | Zoom | 1988 | 28-70mm | f/3.5 | 400g |
ChinonAF 70-210mm F/4.5 | PENTAX K | Zoom | 1988 | 70-210mm | f/4.5 | 650g |
| PENTAX K | Portrait | 1978 | 55mm | f/1.7 | 205g | |
| PENTAX K | Portrait | 1978 | 55mm | f/1.7 | 205g | |
| PENTAX K | Portrait | 1978 | 50mm | f/1.4 | 230g | |
| PENTAX K | Portrait | 1978 | 50mm | f/1.7 | 175g | |
Cosina55mm F/1.2 MC | PENTAX K | Portrait | — | 55mm | f/1.2 | 325g |
| PENTAX K | Prime | 1979 | 45mm | f/2.8 | — | |
CosinaCosinon-S 50mm F/1.4 MC | PENTAX K | Portrait | — | 50mm | f/1.4 | 230g |
CosinaCosinon-S 50mm F/1.7 MC | PENTAX K | Portrait | — | 50mm | f/1.7 | 174g |
CosinaCosinon-S 50mm F/1.8 | PENTAX K | Portrait | 1981 | 50mm | f/1.8 | 170g |
CosinaCosinon-S 50mm F/2 | PENTAX K | Portrait | 1979 | 50mm | f/2 | 165g |
| PENTAX K | Cinema | 1981 | 135mm | f/2.8 | 330g | |
CosinaCosinon-T 135mm F/3.5 MC | PENTAX K | Cinema | 1981 | 135mm | f/3.5 | 305g |