The Pentax SMC P-DA 40mm f/2.8 Limited lens is designed to be used specifically with digital SLR cameras. The focal length is equivalent to 60mm in 35mm format. It's ultra-compact "pancake-type" design makes it possible to make a lens that only weighs 3.2 ounces.
Like all Pentax lenses, this lens is treated with Super Protect/SP coating for maximum light transmission, sharp definition, and high contrast images. The advanced optical design used for this lens provides exceptionally high resolution optics with minimal aberrations.
Note! Not suitable for 35mm film SLR cameras.
| Performance | |
|---|---|
| Focal Length |
40 mm Comparable APS-C Focal Length: 60 mm |
| Aperture |
Maximum: f/2.8 Minimum: f/22 |
| Camera Mount Type | Pentax K |
| Format Compatibility | Pentax Digital (APS-C) |
| Angle of View | 39° |
| Minimum Focus Distance | 15.7" (39.88 cm) |
| Magnification | 0.13x |
| Maximum Reproduction Ratio | 1:7.69 |
| Groups/Elements | 4/5 |
| Diaphragm Blades | 9 |
| Features | |
|---|---|
| Image Stabilization | No |
| Autofocus | Yes |
| Tripod Collar | No |
| Physical | |
|---|---|
| Filter Thread | 49 mm |
| Dimensions (DxL) | Approx. 2.5 x 0.6" (6.35 x 1.52 cm) |
| Weight | 3.2 oz (91 g) |