K 30/2.8
General Description
| Product Variations | ||
|---|---|---|
| Exact Name | SMC PENTAX 1:2.8/30 | smc PENTAX 1:2.8 30mm |
| Color | black | black |
| Year of Introduction | 1975 | 1977 |
| Catalog Number | 22440 | 22440 |
| Sold with Hood | — | — |
| Sold with Case | hard case: SMC PENTAX 2.8/30 | hard case: SMC PENTAX 2.8/30 |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 7 elements in 7 groups |
| Aperture Range | f/2.8 ~ f/22 |
| Number of Aperture Blades | 5 |
| Minimum Focusing Distance | 0.3 m |
| Maximum Magnification | unknown |
| Mechanics | |
| Filter Diameter | 52 mm |
| Maximum Diameter | 63 mm |
| Length | 40 mm |
| Weight | 215 g |
| Accessories | |
| Cap | plastic clip-on cap, 52 mm |
| Fitting Hood(s) | clip-on hood: PH-S52 |
| Fitting Case(s) | hard case: SMC PENTAX 2.8/30 |
