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Product Description
The smcP FA 31mm f/1.8 Limited Lens from Pentax is a high-performance, fast wide-angle lens for discriminating Pentax shooters. Fit and finish are on par with the world's best, and the nine-bladed aperture diaphragm renders unfocused highlights in a smooth, creamy palette of blurred color. This lens incorporates a glass-molded aspherical lens element to minimize spherical aberrations. The FA Limited series features full-frame image coverage with full automatic and manual aperture control, and offers incredible sharpness and image quality made specifically for Pentax DSLR cameras.
| Performance | |
| Focal Length | 31mm Comparable APS-C Focal Length: 46.5 mm |
| Aperture | Maximum: f/1.8 Minimum: f/22 |
| Camera Mount Type | Pentax K |
| Format Compatibility | 35mm Film / Full-Frame Digital Sensor Pentax Digital (APS-C) |
| Angle of View | 70° |
| Minimum Focus Distance | 1.00' (30.48 cm) |
| Magnification | 0.16x |
| Maximum Reproduction Ratio | 1:6 |
| Optical Design | 9 Elements in 7 Groups |
| Diaphragm Blades | 9 |
| Features | |
| Image Stabilization | No |
| Autofocus | Yes |
| Tripod Collar | No |
| Physical | |
| Filter Thread | 58 mm |
| Dimensions (DxL) | Approx. 2.6 x 2.7" (6.60 x 6.86 cm) |
| Weight | 12.2 oz (346 g) |
| Warranty Length | |
| USA Warranty Extension |
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