The smc PENTAX DA Star 50-135mm F2.8 ED (IF) SDM is a high-performance, telephoto zoom lens.
With extra low dispersion glass and original lens coatings, this lens is superior in contrast, clarity and edge-to-edge sharpness.
The tightly sealed, weather-resistant and dust-resistant construction enhances durability for use in both rainy and dusty conditions, making the DA Star 50-135mm F2.8 ED (IF) SDM lens a perfect companion for the weather-resistant PENTAX DSLR bodies.
The PENTAX-original Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.
The PENTAX-original SP (Super Protect) coating repels dust, water and grease to keep your lens clean and your image quality at its peak.
The SDM focus system incorporated in this lens results in a smoother, quieter autofocusing operation using a built-in supersonic motor.
The three Extra-low Dispersion (ED) elements compensate for chromatic aberration.
The focal length is equivalent to 76.5mm to 207mm in the 35mm format. Developed specifically for PENTAX digital SLR cameras.
|Lens Mount:||PENTAX KAF2 Mount||Lens Construction:||18 elements in 14 groups|
|Angle of View:||31.5 – 11.9 degrees||Aperture:||F2.8|
|Number of Diaphragm Blades:||9||Minimum Aperture:||F22|
|Minimum Focusing Distance:||39.6 inches||Filter Diameter:||67mm|
|Maximum Magnification:||0.17X||Dimensions:||3.0″ x 5.4″ (76.5mm x 136mm)|
|Weight:||24.2 oz. (685g) without hood, 27.0 oz. (765g) with hood||Case:||S90-160|
|Objective Cap:||O-LC67||Hood:||PH-RBK 67mm|
|Lens Aperture Ring:||N/A||Tripod Adapter:||No|
|Diaphragm Control:||Fully Automatic||Focal Length:||50-135mm (equiv. 75-203mm)|
|Notes:||Supersonic motor, Quick-shift focus, SP (Super Protect) coating, Filter window|