K 400/5.6
General Description
| Product Information | |
|---|---|
| Exact Name | SMC PENTAX 1:5.6/400 |
| Color | black |
| Year of Introduction | 1975 |
| Catalog Number | 24540 |
| Sold with Hood | — |
| Sold with Case | hard case: SMC PENTAX 5.6/400 |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 5 elements in 5 groups |
| Aperture Range | f/5.6 ~ f/45 |
| Number of Aperture Blades | 10 |
| Minimum Focusing Distance | 8.0 m |
| Maximum Magnification | unknown |
| Mechanics | |
| Filter Diameter | 77 mm |
| Maximum Diameter | 85 mm |
| Length | 277 mm |
| Weight | 1285 g |
| Special Features | tripod collar, manual diaphragm |
| Accessories | |
| Cap | metal slip-on cap, 80 mm |
| Fitting Hood(s) | built-in hood |
| Fitting Case(s) | hard case: SMC PENTAX 5.6/400 |
