HD Pentax-D FA 645 Macro 90mm F2.8 ED AW SR
The HD Pentax-D FA 645 Macro 90mm F2.8 ED AW SR is an interchangeable macro lens for the Pentax 645 system, announced by Pentax on September 10, 2012.
 HD Pentax-D FA 645 Macro 90mm F2.8 ED AW SR with hood off | |
| Maker | Pentax |
|---|---|
| Lens mount(s) | Pentax 645AF2 |
| Technical data | |
| Type | Prime |
| Aperture (max/min) | f/2.8 |
| Close focus distance | 0.41 metres (1.3 ft) |
| Max. magnification | 0.5 |
| Diaphragm blades | 9 |
| Construction | 11 elements in 9 groups |
| Features | |
| Manual focus override |  |
| Weather-sealing | |
| Lens-based stabilization | |
| Aperture ring |  |
| Physical | |
| Max. length | 117 millimetres (4.6 in) |
| Diameter | 91 millimetres (3.6 in) |
| Weight | 1,040 grams (2.29 lb) |
| Filter diameter | 67mm |
| History | |
| Introduction | 2012 |
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