K 50/1.4

General Description
| Product Information | |
|---|---|
| Exact Name | SMC PENTAX 1:1.4/50 | 
| Color | black | 
| Year of Introduction | 1975 | 
| Catalog Number | 20847 | 
| Sold with Hood | — | 
| Sold with Case | — | 
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 7 elements in 6 groups | 
| Aperture Range | f/1.4 ~ f/22 | 
| Number of Aperture Blades | 8 | 
| Minimum Focusing Distance | 0.45 m | 
| Maximum Magnification | 0.15 X | 
| Mechanics | |
| Filter Diameter | 52 mm | 
| Maximum Diameter | 63 mm | 
| Length | 42 mm | 
| Weight | 265 g | 
| Accessories | |
| Cap | plastic clip-on cap, 52 mm | 
| Fitting Hood(s) | clip-on hood: PH-R52 clip-on hood: PH-S52  | 
| Fitting Case(s) | dedicated hard case: exact name unknown |