A 400/5.6
General Description
| Product Information | ||
|---|---|---|
| Exact Name | smc PENTAX-A 1:5.6 400mm | |
| Color | black | |
| Year of Introduction | 1984 | |
| Sales Variations | ||
| Catalog Number | 24570 | 24570 |
| Sold with Hood | — | — |
| Sold with Case | hard case: HE-300 | hard case: HE-330 |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 7 elements in 6 groups |
| Aperture Range | f/5.6 ~ f/45 |
| Number of Aperture Blades | 9 |
| Minimum Focusing Distance | 2.8 m |
| Maximum Magnification | 0.21 X |
| Special Features | fixed rear-element extension (FREE) |
| Mechanics | |
| Filter Diameter | 77 mm |
| Maximum Diameter | 85 mm |
| Length | 277 mm |
| Weight | 1240 g |
| Special Features | tripod collar |
| Accessories | |
| Cap | plastic clip-on cap, 77 mm |
| Fitting Hood(s) | built-in hood |
| Fitting Case(s) | hard case: HE-300 hard case: HE-330 |
