Photolab
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My CartThe smc DA 50mm f/1.8 Lens from Pentax is a fast f/1.8 lens for cameras with a Pentax K mount. Mounted to a camera with an APS-C sensor, this lens gives an angle of view equivalent to a 76.5mm telephoto lens--ideal for portraits. The wide f/1.8 aperture makes this an essential lens for working in low light, and it also delivers beautiful bokeh (the out-of-focus portion of a photograph). This lightweight (4.3 oz) lens is very compact--just 1.5" (3.8 cm) long. The addition of Pentax Super Protect (SP) coating to the lens helps prevent dust, water, grease and other substances from attaching themselves to a lens and degrading image quality.
Brand | Pentax |
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Focal Length | 50mm Comparable APS-C Focal Length: 76.5 mm |
Lens type | Prime lens |
Aperture Range | Maximum: f/1.8 Minimum: f/22 |
Max Format size | APS-C/DX |
Camera Mount | Pentax K |
Lens Format | Pentax Digital (APS-C) |
Lens mount | Pentax KAF |
Minimum Focusing Distance | 1.48’ (45 cm) |
Focus Type | Autofocus |
Minimum aperture | f/22.0 |
Image Stabilizer | No |
Diaphragm Blades | 8 |
Angle Of View | 31.5 |
Elements | 6 |
Groups | 5 |
Groups | 5 |
Diaphragm Blades | 7 |
Filter Size | Front:52 mm |
Tripod Collar | No |
Autofocus | Yes |
Elements | 6 |
Motor Type | Ultrasonic |
Weight | 122 |
Dimensions (DxL) | Approx. 2.5 x 1.5“ (6.35 x 3.81 cm) |
Diameter | 63 mm |
Weight | 122 |
Length | 39 mm |
Filter Thread | 52 mm |
Focal Length | 50mm Comparable APS-C Focal Length: 76.5 mm |
Dimensions(DxL) | 6.35 x 3.81 cm |
Weight | 122 g |
Filter Thread Size | Front: 52 mm |
Tripod Collar | No |
Autofocus | Yes |
Aperture | Maximum: f/1.8 Minimum: f/22 |
Camera Mount Type | Pentax K |
Format Compatibility | Pentax Digital (APS-C) |
Angle of View | 31.5 |
Minimum Focus Distance | 45.11 cm |
Magnification | 0.15x |
Maximum Reproduction Ratio | 1:6.67 |
Optical Design | 6 Elements in 5 Groups |
Diaphragm Blades | 7 |
Image Stabilization | No |