| Name Manufacturer / Model | Mount Bayonet | Type Category | Year Released | Focal mm | Aperture f/ | Weight g |
|---|---|---|---|---|---|---|
| PENTAX K | Portrait | — | 50mm | f/2 | — | |
| PENTAX K | Zoom | — | 70-150mm | f/3.5 | — | |
Riconar55mm F/2.2 | PENTAX K | Prime | — | 55mm | f/2.2 | — |
| PENTAX K+ CANON FD, CONTAX/YASHICA, KONICA AR, M42, MINOLTA SR, NIKON F, NIKON F DX, OLYMPUS OM | Zoom | — | 35-70mm | f/3.5 | — | |
| PENTAX K+ CANON FD, CONTAX/YASHICA, KONICA AR, M42, MINOLTA MD, MINOLTA SR, NIKON F, NIKON F DX | Zoom | — | 35-105mm | f/3.5 | — | |
| PENTAX K+ CANON EF, CANON EF-S, NIKON F, NIKON F DX, SONY E | Fisheye | — | 12mm | f/2.8 | — | |
Rokinon14mm F/2.8 ED ASPH IF | PENTAX K+ CANON EF, CANON EF-S, MICRO 4/3, MINOLTA/SONY A, NIKON F, NIKON F DX | Wide | — | 14mm | f/2.8 | — |
Rokinon24mm F/1.4 ED AS IF | PENTAX K+ CANON EF, CANON EF-S, MICRO 4/3, MINOLTA/SONY A, SAMSUNG NX | Wide | — | 24mm | f/1.4 | — |
Rokinon28mm F/2.8 Automatic Wide MC | PENTAX K | Wide | — | 28mm | f/2.8 | — |
Rokinon35mm F/1.4 ASPH UMC | PENTAX K+ CANON EF, CANON EF-S, MINOLTA/SONY A, NIKON F, NIKON F DX | Wide | — | 35mm | f/1.4 | — |
Rokinon80-200mm F/4.5 Macro MC | PENTAX K | Macro | — | 80-200mm | f/4.5 | — |
Rokinon85mm F/1.4 ASPH IF | PENTAX K+ CANON EF, CANON EF-S, MINOLTA/SONY A, NIKON F, NIKON F DX | Portrait | — | 85mm | f/1.4 | — |
Rokinon8mm F/3.5 Fish-Eye CS | PENTAX K+ CANON EF, CANON EF-S, MICRO 4/3, MINOLTA/SONY A, NIKON F, NIKON F DX | Fisheye | — | 8mm | f/3.5 | — |
RokunarV-HQ Macro MC 90mm F/2.5 | PENTAX K+ CANON FD, CONTAX/YASHICA, KONICA AR, M42, MINOLTA SR, NIKON F, NIKON F DX, OLYMPUS OM | Macro | — | 90mm | f/2.5 | 560g |
Rubinar1000mm F/10 Mirror MC Macro | PENTAX K+ M42 | Mirror | — | 1000mm | f/10 | 2300g |
Rubinar300mm F/4.5 Mirror MC Macro | PENTAX K+ M42 | Mirror | — | 300mm | f/4.5 | 700g |
Rubinar500mm F/5.6 Mirror MC Macro | PENTAX K+ M42 | Mirror | — | 500mm | f/5.6 | 1600g |
Rubinar500mm F/8 Mirror MC Macro | PENTAX K+ M42 | Mirror | — | 500mm | f/8 | 550g |
| PENTAX K+ CANON FD, CONTAX/YASHICA, KONICA AR, MINOLTA SR, NIKON F, NIKON F DX, OLYMPUS OM | Zoom | — | 80-200mm | f/4 | — | |
SakarMC 135mm F/2.8 | PENTAX K+ CANON FD, CONTAX/YASHICA, KONICA AR, M42, MINOLTA SR, NIKON F, NIKON F DX, OLYMPUS OM | Telephoto | — | 135mm | f/2.8 | — |
SakarMC 50mm F/1.7 | PENTAX K+ CANON FD, CONTAX/YASHICA, KONICA AR, MINOLTA SR, NIKON F, NIKON F DX, OLYMPUS OM | Portrait | — | 50mm | f/1.7 | — |
SakarMC 70-210mm F/3.9 | PENTAX K+ CANON FD, CONTAX/YASHICA, KONICA AR, M42, MINOLTA SR, NIKON F, NIKON F DX, OLYMPUS OM | Zoom | — | 70-210mm | f/3.9 | — |
SakarMC 80-200mm F/4-5.6 | PENTAX K+ CANON FD, CONTAX/YASHICA, KONICA AR, NIKON F, OLYMPUS OM | Zoom | — | 80-200mm | f/4 | — |
| PENTAX K+ MINOLTA MD, MINOLTA SR, OLYMPUS OM | Macro | — | 35-75mm | f/3.5 | — | |
| PENTAX K+ CANON FD, CONTAX/YASHICA, NIKON F, NIKON F DX, OLYMPUS OM | Zoom | — | 75-300mm | f/5.6 | — | |
SamsungD-Xenon 16-45mm F/4 | PENTAX K | Zoom | 2006 | 16-45mm | f/4 | 365g |
SamsungD-XENON 50-200mm F/4-5.6 | PENTAX K | Zoom | — | 50-200mm | f/4 | — |
Samyang100mm F/2.8 ED UMC Macro | PENTAX K+ CANON EF, CANON EF-M, CANON EF-S, FUJIFILM X, MICRO 4/3, MINOLTA/SONY A, NIKON F, NIKON F DX, SAMSUNG NX, SONY E, SONY FE | Macro | 2015 | 100mm | f/2.8 | 720g |