Pentax-Da 50-200Mm F4-5.6 Ed Wr Lens
The Pentax DA 50-200mm f/4-5.6 ED WR Lens is a telephoto zoom lens that has a focal length equivalent to 76.5mm to 307mm in 35mm film format.
The Pentax DA 50-200mm f/4-5.6 ED WR Lens is a medium-range 4X telephoto zoom, designed for exclusive use with PENTAX KAF-mount digital SLR cameras. This DA 50-200mm zoom features a responsive "Quick-Shift Focus System" that allows photographers to instantly switch the focus mode from auto to manual with a slight twist of the focus ring.
This lens boasts a simple, functional design, is weather sealed plus has a SP (Super Protect) coating to keep the lens free of grease, dust and other elements which could impact lens function and image quality. This lens also features an Extra-low Dispersion (ED) glass lens element and two aspherical lens elements for true-to-life image reproduction and overall size reduction. The image circle in DA-series lenses is designed to perfectly match the 23.5 x 15.7mm size of the CCD used in PENTAX digital SLRs to optimize camera performance.
Simple drip-proof construction
This lens uses a simple drip-proof construction for preventing water from getting inside the lens. Combined with PENTAX digital SLR cameras also using a drip-proof construction enables use in rainy or foggy conditions, or other locations exposed to water for enhanced durability and reliability.
SP (super protect) coating for protecting from water and dirt
A SP (super protect) coating made by depositing a special fluorine substance on the lens front surface is used for repelling water and oils and also enabling the easy removal of fingerprints, cosmetics, and other oils adhering to the lens.
Design developed specifically for digital SLR cameras
In this design, the lens coating, curvature, arrangement, and other details were optimized for digital image characteristics to minimize ghosting and flare and maximize performance from PENTAX digital SLR cameras. Also, the image circle is tailored specifically to the size of the imaging elements for allowing a compact, lightweight body size with high cost performance.
Quick-Shift Focus System
The Quick-Shift Focus System is used to enable manual focus operation after focusing by AF without any switching operation.
Uses high-reliability metal lens mount.
Includes hood with PL filter operation window