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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 | — | 100mm | f/2.8 | — | |
| PENTAX K | Macro | — | 100mm | f/2.8 | 720g | |
| PENTAX K | Cinema | — | 100mm | f/3.1 | — | |
| PENTAX K | Wide | — | 10mm | f/2.8 | — | |
Samyang10mm F/2.8 ED AS NCS CS | PENTAX K | Wide | — | 10mm | f/2.8 | — |
| PENTAX K | Wide | — | 10mm | f/2.8 | 580g | |
| PENTAX K | Cinema | — | 10mm | f/3.1 | — | |
| PENTAX K | Fisheye | — | 12mm | f/2.8 | — | |
Samyang12mm F/2.8 ED AS NCS Fisheye | PENTAX K | Fisheye | — | 12mm | f/2.8 | — |
| PENTAX K | Fisheye | — | 12mm | f/2.8 | 515g | |
| PENTAX K | Cinema | — | 12mm | f/3.1 | — | |
| PENTAX K | Portrait | — | 135mm | f/2 | 830g | |
Samyang135mm F/2 ED UMC NI / KR | PENTAX K | Portrait | — | 135mm | f/2 | — |
| PENTAX K | Portrait | — | 135mm | f/2 | 830g | |
Samyang135mm F/2.2 VDSLR ED UMC | PENTAX K | Cinema | — | 135mm | f/2.2 | — |
Samyang14mm F/2.8 ED AS IF UMC | PENTAX K | Wide | — | 14mm | f/2.8 | — |
| PENTAX K | Wide | — | 14mm | f/2.8 | 552g | |
| PENTAX K | Wide | — | 14mm | f/2.8 | — | |
Samyang14mm F/2.8 IF ED MC ASPH | PENTAX K | Wide | — | 14mm | f/2.8 | — |
| PENTAX K | Cinema | — | 14mm | f/3.1 | — | |
| PENTAX K | Wide | — | 16mm | f/2 | — | |
Samyang16mm F/2 ED AS UMC CS | PENTAX K | Wide | — | 16mm | f/2 | — |
| PENTAX K | Wide | — | 16mm | f/2 | 583g | |
Samyang16mm F/2.0 ED AS UMC CS | PENTAX K | Wide | — | 16mm | f/2 | — |
| PENTAX K | Cinema | — | 16mm | f/2.2 | — | |
Samyang18-28mm F/4-4.5 MC Auto Zoom | PENTAX K | Wide | — | 18-28mm | f/4 | — |
Samyang20mm F/1.8 ED AS UMC | PENTAX K | Wide | — | 20mm | f/1.8 | 497g |
Samyang20mm F/1.8 ED AS UMC NI / KR | PENTAX K | Wide | — | 20mm | f/1.8 | — |