The Pentax SMC D FA 645 55mm f/2.8 AL SDM AW for Medium Format is a standard focal length lens designed for the Pentax 645D and 645Z. Key features include:
Great general-purpose lens
Excellent image quality and depth-of-field control
Fast, accurate autofocus will full-time manual-focusing
High-quality weather-sealed build
Standard Focal Length. With a focal length equivalent to 43.5mm after sensor-crop factor, the 55mm f/2.8 serves as a great general-purpose lens. It offers excellent image quality, and its fast f/2.8 aperture allows fine depth of field control.
Supersonic Drive Motor Autofocus System. The quiet SDM autofocus system provides fast and accurate autofocus operation. It also features Pentax’s Quick-Shift autofocus system for shifting from auto to manual focus for on-the-fly focus accuracy.
High-Quality Build. The fully weather-sealed lens construction works with the 645D or 645Z’s weather-sealed body for maximum reliability in the field.
|Focal Length||55 mm|
|Camera Mount||Pentax 645|
|Angle of View @ Infinity||65°|
|Minimum Focus Distance||1.64' (49.99 cm)|
|Filter Thread||Front: 67 mm|
|Weight||14.67 oz (416 g)|
|Dimensions||Approx. 2.69 x 3.20" (68.2 x 81.3 mm)|