is a Japanese manufacturer of photographic lenses and

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security equipment.

Lens designations

* FX - Full frame * DX - cropped digital * AF - Auto-Focus * AT-X Pro - professional line (constant aperture zooms or primes) * AT-X - consumer line * IF - Internal Focus System * FE - Floating Element System * NH - No Hood (10-17mm fisheye without built-in hood) Optical design: * AS - Aspherical Optics * F&R - Advanced Aspherical Optics * SD - Super Low Dispersion * HLD - High-Refraction and Low Dispersion * MC - Multi-Coating

Lenses

Zoom

* AT-X 107 DX AF fisheye 10-17mm 3.5~4.5 (available with and without the built-in hood. No hood version can be used on full-frame. The lens is also sold under Pentax brand.) * AT-X 116 PRO DX AF 11–16mm 2.8 * AT-X PRO SD 11–20mm 2.8 (IF) DX * AT-X 124 PRO DX AF 12–24mm 4 ( The lens is also sold under Pentax brand) * AT-X 124 PRO DX II SD IF AF 12–24mm 4 * AT-X PRO DX AF 12-28mm 4 * AT-X PRO FX AF 16-28mm 2.8 * AT-X 165 PRO DX AF 16–50mm 2.8 ( The lens is also sold under Pentax brand) * AT-X DX AF 16.5-135mm 3.5-5.6 * AT-X PRO FX AF 17-35mm 4 * AF 193 19-35mm 3.5~4.5 (made by Cosina) * AT-X 235 PRO AF 20-35mm 2.8 * AF 235 20-35mm 3.5-4.5 (72mm filter) * AF 235 II 20-35mm 3.5-4.5 (77mm filter) * AT-X 240 AF 24-40mm 2.8 * AT-X 24-70mm PRO FX f/2.8 * AT-X 242 AF 24-200mm 3.5~5.6 * RMC 25-50mm 4 * AT-X 270 PRO AF 28-70mm 2.6-2.8 * SZ-X 287 28-70mm 2.8-4.3 * AT-X 287 PRO SV AF 28–70mm 2.8 * AT-X AF 28-70mm 2.8 * AT-X 280 PRO AF 28-80mm 2.8 * SZ-X 270 SD 28-70mm 3.5-4.5 * AT-X 285 28-85mm 3.5-4.5 * AF 28-80 3.5-5.6 * SMZ 287 28-70mm 4 * RMC 28-85mm 4 * AT-X 235 28-135mm 4-4.6 * AT-X 357 35-70mm 2.8 * RMC 35-70mm 3.5 * RMC 35-105mm 3.5 * SMZ 35-105mm 3.5-4.3 * RMC 35-135mm 4-4.5 * AT-X 352 35-200mm 3.5-4.5 * AT-X SD 35-200mm 3.5-4.5 * AF 353 SD 35-300mm 4.5-6.7 * AT-X 535 PRO DX AF 50–135mm 2.8 ( The lens is also sold under Pentax brand) * EMZ 520 50-200mm 3.5-4.5 * AT-X 525 50-250mm 4-5.6 * AT-X 120 60-120mm 2.8 * AT-X PRO FX AF 70-200mm 4 VCM-S (image stabilization) * RMC 70-210mm 3.5 * RMC 70-210mm 4 * RMC 70-220mm 3.5 * RMC 75-150mm 3.8 * SMZ 75 75-260mm 4.5 * AT-X SD 80-200mm 2.8 * AT-X 828 AF 80-200mm 2.8 * AT-X 828 PRO AF 80-200mm 2.8 * SMZ 835 80-200mm 3.5-4.5 * SZ 820 80-200mm 4.0 * RMC 80-200mm 4.0 * RMC 80-200mm4.0 * SMZ 845 80-200mm 4.5 * RMC 80-250mm 4.5 * AT-X 840 AF 80-400mm 4.5-5.6 * AT-X 840 PRO D AF 80-400mm 4.5~5.6 * 90-230mm 4.5 * AT-X 100-300mm SD 4 * AT-X 340 AF 100-300mm 4 * AT-X 340 AF II 100-300mm 4 * RMC 100-300mm 5 * SZ 10 100-300mm 5.6 * AT-X 150-500mm 5.6 * SZ-X 205 28-105mm 4-5.3 * SZ-X SD 35-200mm 4-5.6 * SZ-X 210 SD 70-210mm 4-5.6 * SZ-X 820 80-200mm 4.5 (filter 55mm) * SZ-X 80-200mm 4.5-5.6 (filter 49mm & 52mm)

Prime

* SL 17 17mm 3.5 * AT-X 17 AF 17mm 3.5 * AT-X 17 PRO AF 17mm 3.5 * RMC 17 17mm 3.5 * FiRIN 20mm 2.0 FE MF * RMC 24mm 2.8 * SL 24 24mm 2.8 * RMC 28mm 2 * RMC 28mm 2.8 * SL 28 28mm 2.8 * AT-X M35 PRO DX AF 35mm 2.8 MACRO * SL 35 35mm 2.8 * Opera 50mm 1.4 * AT-X M90 90mm 2.5 MACRO * AT-X M100 AF 100mm 2.8 MACRO (internal focus, 1:2) * AT-X M100 PRO D AF 100mm 2.8 MACRO * SL 135 135mm 2.8 * SL 200 200mm 3.5 * AT-X 300 SD 300mm 2.8 * AT-X 300 AF II 300mm 2.8 * AT-X 300 PRO AF 300mm 2.8 * AT-X 304 AF 300mm 4 * 300mm 5.5 (preset T-mount) * SL 300 300mm 5.6 * AT-X SD AF 400mm 5.6 * SL 400 400mm 5.6 * SL 400 SD 400mm 5.6 * 400mm 6.3 (preset T-mount) * TM 500 500mm 8 Mirror * T600 600mm 8 (preset, lens head & focus unit) * T800 800mm 8 (preset, lens head & focus unit)

References

External links