special offers Pentax 17-70mm f/4 DA SMC AL IF SDM Lens for Pentax Digital SLR Cameras

best buy Pentax 17-70mm f/4 DA SMC AL IF SDM Lens for Pentax Digital SLR Cameras

Pentax DA 17-70mm f/4 SDM Lens Review - Digital Camera Reviews Pentax has updated their workhorse constant aperture lens, launching the DA 17-70mm f/4, but this high-end consumer lens has some big shoes to fill.

PENTAX 21740 17-70mm f/4 AL (IF) SDM Zoom Lens

Pentax 17-70mm f/4 DA SMC AL IF SDM Lens for Pentax Digital SLR Cameras

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Pentax 17-70mm f/4 DA SMC AL Features :

• Equivalent focal length of 26-107mm in 35mm format, when used with digital SLR cameras.
• ED and aspherical elements compensate for chromatic and spherical aberration.
• The image circle of the lens has been created to match the smaller image recording area of digital SLR cameras.
• The Quick-Shift Focus System allows to instantly shift to manual focus once the subject is captured by AF.

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