M 50/1.7
General Description
| Product Information | |
|---|---|
| Exact Name | smc PENTAX-M 1:1.7 50mm |
| Color | black |
| Year of Introduction | 1977 |
| Catalog Number | 20877 |
| Sold with Hood | — |
| Sold with Case | — |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 6 elements in 5 groups |
| Aperture Range | f/1.7 ~ f/22 |
| Number of Aperture Blades | 6 |
| Minimum Focusing Distance | 0.45 m |
| Maximum Magnification | 0.15 X |
| Mechanics | |
| Filter Diameter | 49 mm |
| Maximum Diameter | 63 mm |
| Length | 31 mm |
| Weight | 185 g |
| Accessories | |
| Cap | plastic clip-on cap, 49 mm |
| Fitting Hood(s) | screw-on hood: PH-R49 clip-on hood: PH-S49 screw-on hood: RH-R49 |
| Fitting Case(s) | dedicated hard case: exact name unknown |
