The fast aperture of this lens is perfect for low-light photography. Light falloff was gone by f/2.8—pretty darn good. Lenscap and built-in hood are felt-lined, elegant.
| Lens Type: | Prime |
| Compatibility: | Full Frame |
| Range: | Telephoto |
| Mount: | Pentax |
| Auto Focus: | Yes |
| Full-Time Manual Focus Override: | Yes |
| Silent AF: | No |
| Zoom: | No |
| Minimum Focal Length: | 77 mm |
| Maximum Focal Length: | 77 mm |
| Fastest Aperture: | f/1.8 |
| Slowest Aperture: | f/22.0 |
| Image Stabilization: | Yes |
| Elements: | 7 |
| Groups: | 6 |
| Filter Size: | 49mm |
| Length: | 2.5 inches |
| Weight: | 9.6 ounces |
| Price: | $785.00 |
| Tripod Collar: | No |
| Included Case: | Yes |
| Macro: | No |
| Tilt/Shift: | No |
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