The Pentax SMC FA 645 75mm f/2.8 is a standard focal length lens that’s compatible with the . Key features include:
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59mm-equivalent focal range after sensor crop factor
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Excellent normal-range lens for general use
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Great subject/background separation
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Advanced optical design for high-quality images
Standard Focal Length. With a focal length equivalent to 59mm when used on the Pentax 645D and 645Z, the 75mm f/2.8 is a great normal range lens for general use. It produces high-quality images, with a fast f/2.8 aperture for pleasing subject/background separation.
Please Note. This is a legacy lens that was originally designed for medium-format film cameras. We’ve noticed that it tends to slightly front- or back-focus, so you’ll want to make sure you microfocus adjust before you start shooting.
| Angle of View |
40.5° |
| Aperture |
f2.8-22 |
| Autofocus |
Autofocus |
| Brand |
Pentax |
| Compatibility |
Medium Format |
| Diameter |
2.93″ |
| Dimensions |
Length: 1.48″ |
| Filter Size |
58.0mm |
| Focal Length |
75.0-75.0 |
| Groups/Elements |
5/6 |
| Hood Included |
No |
| Image Stabilization |
No |
| Item Type |
Lens |
| Lens Type |
Normal Range |
| Low Dispersion Elements |
0 |
| Max Aperture |
2.8 |
| Maximum Magnification |
0.18x |
| Minimum Aperture |
22.0 |
| Minimum Focusing Distance |
23.6feet |
| Mount |
Pentax 645 |
| Weather Resistant |
N/A |
| Weight |
0.47 lb |
| Zoom Method |
N/A |









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