Sporting the ultra-quiet SDM autofocus and extreme weather-resistance, the DA Star 300mm, designed exclusively for PENTAX digital SLRs, is the perfect long lens for in-the-wild telephoto photography.
The smc PENTAX DA Star 300mm F4 ED (IF) SDM is a high-performance telephoto lens.
The PENTAX-original Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.
The SDM focus system incorporated in this lens results in a smoother, quieter autofocusing operation using a built-in supersonic motor.
The focal length is equivalent to 450mm in the 35mm format.
The tightly sealed, weather-resistant and dust-resistant construction enhances durability for use in both rainy and dusty conditions, making the DA Star 300mm F4 ED (IF) SDM lens a perfect companion for the weather-resistant PENTAX DSLR bodies.
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 Extra-low Dispersion (ED) elements compensate for chromatic aberration.
Developed specifically for PENTAX digital SLR cameras.
Lens | PENTAX KAF2 |
Angle Of View | 5.4 degrees |
Number Of Diaphragm Blades | 9 |
Minimum Focusing Distance | 55.2 inches (1.4m) |
Maximum Magnification | 0.24X |
Weight | 37.7 oz. (1,070g) |
Objective Cap | O-LC77 |
Lens Aperture Ring | N/A |
Diaphragm Control | Fully Automatic |
Notes | Supersonic motor, Quick-shift focus, SP (Super Protect) coating, Filter window, Detachable tripod mount |
Lens Construction | 8 elements in 6 groups |
Aperture | F4 |
Minimum Aperture | F32 |
Filter Diameter | 77mm |
Dimensions | 3.3 x 7.2" (83 x 184mm) |
Case | S120-210 |
Hood | PH-RBK 77mm |
Tripod Adapter | Included, demountable w/coin |
Focal Length | 300mm (equiv. 450mm) |
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