- Excellent low light performer with bright aperture and portable construction for all day shooting
- Smooth circular bokeh from a rounded nine-blade aperture diaphragm
- Versatile wide angle focal width can be used on full frame and APS-C DSLR cameras (46.5mm equivalent on cropped bodies)
- Excellent image quality with high contrast, low ghosting and controlled flare from HD and SP coatings
- Available in black or silver which complements any Pentax camera design
HD PENTAX-FA 31mm f/1.8 Limited Lens Silver summary
Based on the FA Limited Lens series, renowned for their meticulous attention in every detail, the HD Pentax-FA 31mm f/1.8 Limited lens from Pentax is a wide angle prime well-suited for everyday shooting applications. Its bright f/1.8 maximum aperture excels in low-light conditions and also affords greater control over depth of field for isolating subject matter. A nine-blade rounded diaphragm also contributes to a smooth and pleasing bokeh quality. This lens features a PENTAX high-grade HD coating for exceptional image rendition, which controls ghosting and flare to realize high contrast imagery with accurate, neutral color balance, plus protective SP coating on the front lens surface to repel dust, stains, and debris. The barrel, hood, and cap are all made of high-grade aluminum, meticulously machined for an attractive appearance and beautiful texture, and the lens barrel features a mount pointer made of Shippoyaki enamel ware.
- Wide-angle 31mm lens is designed for full-frame Pentax K-mount cameras, however, can also be used with APS-C models where it will provide a 46.5mm equivalent focal length.
- Bright f/1.8 maximum aperture benefits working in low-light conditions and also affords greater control over depth of field for working with selective focus techniques.
- PENTAX High-grade HD multi-coating coating helps to greatly reduce surface reflections, flare, and ghosting for improved contrast and color neutrality when working in strong lighting conditions.
- SP (Super Protect) coating is applied to the front lens surface to repel dust and stains. Compact form factor results in a sleek and extremely portable design well-suited for everyday shooting.
- Rounded nine-blade diaphragm contributes to a smooth, circular bokeh quality.
HD PENTAX-FA 31mm f/1.8 Limited Lens Specificaion
| Focal Length | 31mm |
| Maximum Aperture | f/1.8 |
| Minimum Aperture | f/22 |
| Lens Mount | Pentax K |
| Format Compatibility | Full-Frame |
| Angle of View | 70° |
| Minimum Focus Distance | 11.8″ / 30 cm |
| Maximum Magnification | 0.16x |
| Optical Design | 9 Elements in 7 Groups |
| Diaphragm Blades | 9 |
| Focus Type | Autofocus |
| Image Stabilization | No |
| Filter Size | 58 mm (Front) |
| Dimensions (ø x L) | 2.6 x 2.7″ / 65 x 69 mm |
| Weight | 12 oz / 341 g |
| Offers: N/A |
| Offer Category: N/A |
| Offer Product Type: N/A |
| Autofocus: Yes |
| Aperture ring: Yes |
| Constant Aperture: Yes |
| Lens CIPA Image stabilization rating: N/A |
| Colour: N/A |
| Diameter (mm): 65 |
| Length (mm): 69 |
| Weight (g): 341 |
| Distance scale: Yes |
| DoF scale: Yes |
| Elements: 9 |
| Environmental Sealing: N/A |
| Focus distance limiter: N/A |
| Focal length: 31 mm |
| Focus method: N/A |
| Filter Thread: N/A |
| Full time manual: N/A |
| Groups: 7 |
| Hood supplied: Yes |
| Lens Image stabilization: N/A |
| Lens mount: N/A |
| Lens Materials: N/A |
| Maximum focal length: 31 |
| Maximum magnification: 0.16 |
| Maximum aperture (number): 1.8 |
| Maximum aperture (text): N/A |
| Max Format size: N/A |
| Minimum focal length: 31 |
| Lens Minimum focus distance (m): 0.3 |
| Minimum aperture (number): 22 |
| Minimum aperture (text): N/A |
| Motor type: N/A |
| Number of diaphragm blades: 9 |
| Power zoom: N/A |
| Special elements / coatings: HD + Super Protect coatings |
| Tripod collar: N/A |
| Lens type: N/A |
| Wide/Tele: N/A |
| Lens Level: N/A |
| Best For: N/A |
| Best For Holiday and Landscape: Yes |
| Best For Interior and Architecture: N/A |
| Best For Fashion and Portrait: N/A |
| Best For Macro and Still Life: Yes |
| Best For Astro: N/A |
| Best For Street: Yes |
| Best For Wildlife and Sport: N/A |
| Zoom lock: N/A |
| Zoom method: N/A |
| Notes: N/A |
















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