DA 20-40/2,8-4,0 ED DC WR Limited
General Description
| Product Information | |
|---|---|
| Exact Name | HD PENTAX-DA 1:2,8-4,0 20-40mm ED DC WR Limited |
| Color | black / silver |
| Year of Introduction | 2013 |
| Catalog Number | 23000 |
| Sold with Hood | bayonet hood: MH-RA55 |
| Sold with Case | soft case: P70-150 |
Technical Specifications
| Optics | |
|---|---|
| Optical Formula | 9 elements in 8 groups |
| Aperture Range | f/2,8-4,0 ~ f/22-32 |
| Number of Aperture Blades | 9 |
| Minimum Focusing Distance | 0,28 m |
| Maximum Magnification | 0.20 X |
| Special Features | extra-low dispersion element(s) |
| Mechanics | |
| Filter Diameter | 55 mm |
| Maximum Diameter | 68,5 mm |
| Length | 71 mm |
| Weight | 291 g |
| Special Features | DC drive focusing |
| Accessories | |
| Cap | plastic clip-on cap, 55 mm: O-LW65A |
| Fitting Hood(s) | bayonet hood: MH-RA55 |
| Fitting Case(s) | soft case: P70-150 |