K 135/2.5
General Description
| Product Variations | ||
|---|---|---|
| Exact Name | SMC PENTAX 1:2.5/135 | smc PENTAX 1:2.5 135mm |
| Color | black | black |
| Year of Introduction | 1975 | 1977 |
| Catalog Number | 23840 | 23840 |
| Sold with Hood | — | — |
| Sold with Case | hard case: SMC PENTAX 2.5/135 | hard case: smc PENTAX 2.5/135 |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 6 elements in 6 groups |
| Aperture Range | f/2.5 ~ f/32 |
| Number of Aperture Blades | 8 |
| Minimum Focusing Distance | 1.5 m |
| Maximum Magnification | unknown |
| Mechanics | |
| Filter Diameter | 58 mm |
| Maximum Diameter | 68 mm |
| Length | 86 mm |
| Weight | 500 g |
| Accessories | |
| Cap | plastic clip-on cap, 58 mm |
| Fitting Hood(s) | clip-on hood: PH-R58 |
| Fitting Case(s) | hard case: smc PENTAX 2.5/135 hard case: SMC PENTAX 2.5/135 |
