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The SMC Pentax 50mm F1.2 is the original version of Pentax’s fastest SLR lens. It was later replaced by an A counterpart. A special gold-plated version was briefly made together with the Gold LX.
| SMC Pentax 50mm F1.2 © www.pentaxforums.com, sharable with attribution | |||
| Image Format Full-frame / 35mm film | Lens Mount Pentax K | Aperture Ring Yes (no A setting) | Diaphragm Automatic, 8 blades |
| Optics 7 elements, 6 groups | Mount Variant K Check camera compatibility | Max. Aperture F1.2 | Min. Aperture F22 |
| Focusing Manual | Min. Focus 45 cm | Max. Magnification 0.15x | |
| Filter Size 52 mm | Internal Focus No | Field of View (Diag. / Horiz.) APS-C: 32 ° / 27 ° Full frame: 47 ° / 40 ° | |
| Hood Various types will fit | Case Hard case HB-90 | ||
| Lens Cap Plastic clip-on | Coating SMC | Weather Sealing No | Other Features |
| Diam x Length 65 x 48.5 mm | Weight 385 g | Production Years 1975 to 1984 | |
| Engraved Name SMC PENTAX 1:1.2/50 (early version), smc PENTAX 1:1.2 50mm (later version) | Product Code 20947 | Reviews User reviews | |
| Notes Sold without hood. Several hoods will fit such as PH-S52 (50mm) and PH-R52. |
