The Pentax 90mm f/2.8 D FA 645 Macro ED AW SR Lens is a fast, medium-length lens (equivalent to 71mm in 35mm-format) for use with Pentax 645-mount medium format cameras. The f/2.8 maximum aperture provides greater control over depth of field and features rounded 9-blade diaphragm construction. This lens has the Pentax Quick-Shift Focus System for rapid switching between auto and manual focus modes, and integrates a Shake Reduction mechanism for countering the effects of camera shake or image blur.
Price | Where to Buy | Specs | Release Date
Pentax HD DFA645 Macro 90mm F2.8 ED AW SR Price
The price for Pentax HD DFA645 Macro 90mm F2.8 ED AW SR is $4,996.95.
Where to Buy Pentax HD DFA645 Macro 90mm F2.8 ED AW SR
| Store | Buy Now |
|---|---|
| Adorama.com | Buy Now |
| B&H Photo Video | Buy Now |
Pentax HD DFA645 Macro 90mm F2.8 ED AW SR Specifications
| Principal specifications | ||
|---|---|---|
| Lens type | Prime lens | |
| Max Format size | 645 | |
| Image stabilisation | Yes | |
| Lens mount | Pentax KAF2, Pentax 645AF2 | |
| Aperture | ||
| Maximum aperture | F2.8 | |
| Minimum aperture | F22.0 | |
| Number of diaphragm blades | 9 | |
| Optics | ||
| Elements | 11 | |
| Groups | 9 | |
| Focus | ||
| Minimum focus | 0.41 m (16.26″) | |
| Maximum magnification | 0.5 x | |
| Full time manual | Unknown | |
| Physical | ||
| Weight | 1040 g (2.29 lb) | |
| Diameter | 91 mm (3.58″) | |
| Length | 117 mm (4.61″) | |
| Filter thread | 67 mm | |
| Other | ||
Pentax HD DFA645 Macro 90mm F2.8 ED AW SR Release Date
The Pentax HD DFA645 Macro 90mm F2.8 ED AW SR will be available in October, 2012.