Pentax 50-200Mm F/4-5.6 Ed Wr Telephoto Zoom Lens - 0.24X - 50Mm To 200Mm - F/4 To 5.6
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 765-307Mm In The 35Mm Format Developed Specifically For Pentax Digital Slr Cameras
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