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
|
| Pinhole Diameter | |
| Lens Mount | Pentax K
|
| Lens Mount | |
| Lens Mount | |
| Format Compatibility | Full-Frame
|
| Angle of View | 70?
|
| Area of Coverage | |
| Tilt-Shift | |
| Minimum Focus Distance | 1' / 30.48 cm
|
| Maximum Magnification | 0.17x
|
| Macro Reproduction Ratio | |
| Optical Design | 9 Elements in 7 Groups
|
| Diaphragm Blades | 9
|
| Focus Type | Autofocus
|
| Image Stabilization | None
|
| Leaf Shutter | |
| Tripod Collar | |
| Filter Size | 58 mm (Front)
|
| Dimensions (? x L) | 2.6 x 2.7" / 6.6 x 6.86 cm
|
| Weight | 12.2 oz / 346 g
|
