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Pentax SMC D FA 645 55mm f/2.8 AL SDM AW for Medium Format
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Pentax SMC D FA 645 55mm f/2.8 AL SDM AW for Medium Format

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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
Aperture Maximum: f/2.8
Minimum: f/22
Camera Mount Pentax 645
Angle of View @ Infinity 65°
Minimum Focus Distance 1.64' (49.99 cm)
Diaphragm Blades 9
Elements/Groups 9/7
Magnification 0.17x
DOF Scale Yes
Distance Scale Yes
PC Outlet No
Autofocus Yes
Tripod Collar No
Filter Thread Front: 67 mm
Weight 14.67 oz (416 g)
Dimensions Approx. 2.69 x 3.20" (68.2 x 81.3 mm)

67mm Front Lens Cap

Filter - Protective B+W XS-Pro Clear 67mm

Hood - Pentax PH-RBN67

Pentax Rear Lens Cap