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The Pentax 55mm f/1.4 DA* SDM Autofocus Lens is a compact and bright short-telephoto lens of the highest order, made exclusively for Pentax digital SLR cameras. In a stocky housing ready for harsh conditions, you'll get a bright f/1.4 aperture-worlds away from the experience you're used to with more common zooms-that opens up new creative doors to you as a photographer.
This lens was born to shoot between f/1.4 and f/2.8 and comes with a 9-bladed aperture diaphragm which shows up as perfectly round when you stay between f/1.4-2.8. Shoot dramatic portraits with bright point light sources behind the subject, and you'll be dazzled with lovely diffuse, circular out-of-focus highlights that make everybody look better. Beyond portraits, this lens works well any time you would use a moderate telephoto focal length.
The focusing system of this lens is SDM only; there is no screw on the rear of the lens barrel to have the AF driven by a body-based motor. This allows the lens to move incredibly quick, driven by an internal motor and with the Quick-Shift system providing manual override capacity to you any time you want it with no buttons to switch; but you'll need a Pentax body which allows SDM autofocus all current Pentax bodies support SDM
The Pentax 55mm f/1.4 DA* SDM Autofocus Lens is a compact and bright short-telephoto lens of the highest order, made exclusively for Pentax digital SLR cameras. In a stocky housing ready for harsh conditions, you'll get a bright f/1.4 aperture-worlds away from the experience you're used to with more common zooms-that opens up new creative doors to you as a photographer.
This lens was born to shoot between f/1.4 and f/2.8 and comes with a 9-bladed aperture diaphragm which shows up as perfectly round when you stay between f/1.4-2.8. Shoot dramatic portraits with bright point light sources behind the subject, and you'll be dazzled with lovely diffuse, circular out-of-focus highlights that make everybody look better. Beyond portraits, this lens works well any time you would use a moderate telephoto focal length.
The focusing system of this lens is SDM only; there is no screw on the rear of the lens barrel to have the AF driven by a body-based motor. This allows the lens to move incredibly quick, driven by an internal motor and with the Quick-Shift system providing manual override capacity to you any time you want it with no buttons to switch; but you'll need a Pentax body which allows SDM autofocus all current Pentax bodies support SDM
Focal Length | 55mm Comparable 35mm Equivalent on APS-C Format Focal Length: 82.5 mm |
---|---|
Lens type | Prime lens |
Aperture Range | Maximum: f/1.4 Minimum: f/22 |
Max Format sizeAPS-C/DX | |
Camera Mount | Pentax K |
Lens Format | Pentax Digital (APS-C) |
Lens mount | Pentax KAF |
Minimum Focusing Distance | 45 cm |
Focus Type | Autofocus |
Image Stabilizer | No |
Diaphragm Blades | 9 |
Angle Of View | 28.6 |
Elements | 9 |
Filter Size | 58 mm |
Tripod Collar | No |
Autofocus | Yes |
Elements | 9 |
Motor Type | Ultrasonic |
Diameter | 70 mm |
Length | 66 mm |
Sealing | Yes |
Filter Thread | 52 mm |
Lens Hood | Pentax PH-RBK58 |