The smc PENTAX DA 50-200mm F4-5.6 ED WR offers 4X zoom coverage in the telephoto range.
Weather-resistant to handle damp, inclement conditions.
The PENTAX-original Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.
The Extra-low Dispersion (ED) glass lens element and two aspherical lens elements offer superior sharpness with minimum chromatic and spherical aberration.
A simple, functional design provides improved operability and body-based depth of field control.
The focal length is equivalent to 76.5-307mm in the 35mm format.
Developed specifically for PENTAX digital SLR cameras.