K 50/4 Macro
General Description
| Product Information | |
|---|---|
| Exact Name | SMC PENTAX MACRO 1:4/50 |
| Color | black |
| Year of Introduction | 1975 |
| Catalog Number | 28140 |
| Sold with Hood | — |
| Sold with Case | dedicated hard case: exact name unknown |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 4 elements in 3 groups |
| Aperture Range | f/4 ~ f/32 |
| Number of Aperture Blades | 5 |
| Minimum Focusing Distance | 0.23 m |
| Maximum Magnification | 0.5 X |
| Special Features | macro lens |
| Mechanics | |
| Filter Diameter | 52 mm |
| Maximum Diameter | 63 mm |
| Length | 54 mm |
| Weight | 241 g |
| Accessories | |
| Cap | plastic clip-on cap, 52 mm |
| Fitting Hood(s) | no hood required |
| Fitting Case(s) | dedicated hard case: exact name unknown |
