Lens Summary
Brand: Pentax
Also Known As: Pentax 645 55mm f/2.8
Lens Type: Prime Lens
Format: Pentax 645 / MF
Focus: Autofocus
Lens Mount: Pentax 645
Release Date: 2010-01-01
MSRP Price: $1196.95
Made in: Japan
Infrared Rating: Good
Production Status: In Production
Lens Description: The D FA 645 55mm f/2.8 lens is a fast, standard lens designed specifically for use with the PENTAX 645D. It features an advanced optical design tailored for digital photography, quiet SDM autofocus, and it\'s fully weather sealed for field use.
Pentax smc D FA 645 55mm f/2.8 AL SDM AW Specifications
| Lens Specifications | |
|---|---|
| Lens Type | Prime Lens |
| Focal Length | 55mm |
| Mount Type | Pentax 645 |
| Format | Pentax 645 / MF |
| Compatible Format(s) | Medium Format |
| Compatible with Teleconverters | No |
| Shake Reduction (Image Stabilization) | No |
| Aperture Information | |
| Aperture Ring | No |
| Maximim Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Maximum Angle of View (Full frame or larger format) | 65° |
| Optical Information | |
| Lens Elements | 9 |
| Lens Groups | 7 |
| Diaphragm Blades | 9 |
| Focus Information | |
| Focus | Autofocus |
| Built-in Focus Motor | Yes |
| Supersonic Direct-drive Motor (SDM) | Yes |
| Internal Focusing | Yes |
| Minimum Focus Distance | 0.50m |
| Distance Information | Yes |
| Filter Information | |
| Filter Size | 67mm |
| Accepts Filter Type | Screw-on |
| Physical Characteristics | |
| Weather / Dust Sealing | Yes |
| Mount Material | Metal |
| Dimensions | 68.2 x 81.3mm |
| Weight | 416g |
| Other Information | |
| Available in Colors | Black |
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