The SMC 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.

Features

• Weather Resistant
• SP (Super Protect) Coating Repels Dust, Water and Grease
• 4X Zoom Coverage in the Telephoto Range
• Quick-Shift Focus System for Instant Auto to Manual Focusing
• Extra-Low Dispersion (ED) Glass Lens Element
• Two Aspherical Lens Elements for Superior Sharpness
• Minimal Chromatic and Spherical Abberation
• Simple, Functional Design
• Equivalent to 75-300mm in the 35mm Format 

Specifications

Lens Mount

Pentax KAF

Filter Size

49

Number of Blades

6

f/Stop Range

f/4 - 5.6 to f/22 - 32

Minimum Focus Distance

43.2"

Magnification

0.24X

Angle of View

31.5 - 8.1°

Groups/Elements

11 Elements in 10 Groups

Dimensions

2.6 x 3.1" (66.5 x 78.5mm)

Weight

9.2 oz (260.8 g)