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.
Focal Length | 31mm (35mm Equivalent Focal Length: 46.5mm) |
Maximum Aperture | f/1.8 |
Minimum Aperture | f/22 |
Lens Mount | Pentax K |
Format Compatibility | Full-Frame |
Angle of View | 70° |
Minimum Focus Distance | 1' / 30.48 cm |
Maximum Magnification | 0.17x |
Optical Design | 9 Elements in 7 Groups |
Diaphragm Blades | 9 |
Focus Type | Autofocus |
Image Stabilization | None |
Filter Size | 58 mm (Front) |
Dimensions (ø x L) | 2.6 x 2.7" / 6.6 x 6.86 cm |
Weight | 12.2 oz / 346 g |
Package Weight | 1.125 lb |
Box Dimensions (LxWxH) | 5.65 x 3.6 x 3.45" |