HD Pentax DA 40mm F2.8 Limited Specs
Announced Aug 27, 2013
•
Prime lens | Pentax KAF | 21390
| Principal specifications | ||
|---|---|---|
| Lens type | Prime lens | |
| Max Format size | APS-C / DX | |
| Focal length | 40 mm | |
| Image stabilization | No | |
| Lens mount | Pentax KAF | |
| Aperture | ||
| Maximum aperture | F2.8 | |
| Minimum aperture | F22 | |
| Aperture ring | No | |
| Number of diaphragm blades | 9 | |
| Aperture notes | Rounded aperture diaphragm | |
| Optics | ||
| Elements | 5 | |
| Groups | 4 | |
| Special elements / coatings | High-grade multi-layer HD (High Definition) Coating | |
| Focus | ||
| Minimum focus | 0.40 m (15.75″) | |
| Maximum magnification | 0.13× | |
| Autofocus | Yes | |
| Motor type | Screw drive from camera | |
| Full time manual | Yes | |
| Distance scale | Yes | |
| DoF scale | No | |
| Physical | ||
| Weight | 80 g (0.18 lb) | |
| Diameter | 63 mm (2.48″) | |
| Length | 15 mm (0.59″) | |
| Colour | Black, Silver | |
| Filter thread | 49 mm | |
| Hood supplied | Yes | |
| Hood product code | MH-RE49 | |
| Tripod collar | No | |
| Other | ||
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