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.

최고의 카메라 입문자를 위한 명기

1976년. 콤팩트 SLR로 ME는 전자식인데 비해 전통적인 기계식 카메라이다. 고무포막 FP셔터 1-1/1000, B.  완전수동노출작동으로 갈륨포토다이오드 (Gallium Photo diode)노출계로 표준렌즈는 SMC Pentax M f1.4/50mm 또는 f2.8/40mm로 K마운트