The Lens PENTAX 40mm f2.8 Limited Edition. of the so-called Pancake Lens, very small and light and that put in APS-c camera, format for which it has been conceived, becomes a jewel of the discreet photo and at the same time with a good image quality
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The main features of the Lens PENTAX 40mm f2.8 :
PENTAX 40mm f2.8 lens specifications | Pancake Lens
| Focal length | 40mm Comparable 35mm Focal length: 60mm |
| Opening | Maximum: f/2.8 Minimum: f/22 |
| Camera mount type | K-PENTAX |
| Format compatibility | Digital PENTAX (APS-C) |
| Point of view | 39 ° |
| Minimum focusing distance | 1.31' (40cm) |
| Increase | 0.13x |
| Items / Groups | 5/4 |
| Diaphragm blades | 9 |
| Autofocus | Yes |
| Filter the thread | Front: 49 mm |
| Dimensions (DxL) | Approx. 2.5 x 0.6" (63.50 x 15.24mm) |
| Weight | 88 gr |
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The Lens PENTAX 40mm f2.8 Limited Edition. of the so-called Pancake Lens, very small and light and that put in APS-c camera, format for which it has been conceived, becomes a jewel of the discreet photo and at the same time with a good image quality

