K 500/4.5
General Description
| Product Variations | ||
|---|---|---|
| Exact Name | SMC PENTAX 1:4.5/500 | smc PENTAX 1:4.5 500mm |
| Color | black | black |
| Year of Introduction | 1975 | 1977 |
| Catalog Number | 24740 | 24740 |
| Sold with Hood | — | — |
| Sold with Case | hard case: SMC PENTAX 4.5/500 | hard case: SMC PENTAX 4.5/500 |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 4 elements in 4 groups |
| Aperture Range | f/4.5 ~ f/45 |
| Number of Aperture Blades | 10 |
| Minimum Focusing Distance | 10.0 m |
| Maximum Magnification | unknown |
| Mechanics | |
| Front-Filter Thread | no |
| Rear-Filter Diameter | 52 mm |
| Maximum Diameter | 127 mm |
| Length | 440 mm |
| Weight | 3370 g |
| Special Features | tripod collar, manual diaphragm |
| Accessories | |
| Cap | metal slip-on cap, 128 mm |
| Fitting Hood(s) | built-in hood |
| Fitting Case(s) | hard case: SMC PENTAX 4.5/500 |
