(information below taken directly from
Pentax's website)
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. |
