K 150/4
General Description
All Pentax sources report the wrong weight for this lens (338 g), but weighing an actual sample shows the real weight — 373 g.
| Product Information | |
|---|---|
| Exact Name | SMC PENTAX 1:4/150 |
| Color | black |
| Year of Introduction | 1975 |
| Catalog Number | 23740 |
| Sold with Hood | clip-on hood: PH-R52 |
| Sold with Case | dedicated hard case: exact name unknown |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 5 elements in 5 groups |
| Aperture Range | f/4 ~ f/32 |
| Number of Aperture Blades | 6 |
| Minimum Focusing Distance | 1.8 m |
| Maximum Magnification | unknown |
| Mechanics | |
| Filter Diameter | 52 mm |
| Maximum Diameter | 63 mm |
| Length | 96 mm |
| Weight | 373 g |
| Accessories | |
| Cap | plastic clip-on cap, 52 mm |
| Fitting Hood(s) | clip-on hood: PH-R52 |
| Fitting Case(s) | dedicated hard case: exact name unknown |
