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Sigma 17-50mm f/2.8 EX DC HSM Zoom Lens for Pentax DSLRs W/APS-C Sensors |
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The Sigma 17-50mm f/2.8 EX DC HSM Zoom Lens for Pentax DSLRs W/APS-C Sensors is an incredibly versatile, lightweight, and compact lens designed specifically for Pentax digital SLR cameras with APS-C size sensors. The lens has a fast f/2.8 maximum aperture throughout the entire zoom range. It features a construction of 17 elements in 13 groups with glass that corrects for flare, ghosting and all types of aberrations. It produces high contrast and sharp images throughout the zoom range even at its maximum aperture.
For Pentax DSLRs with APS-C Size Sensors
Aperture of f/2.8 throughout Zoom Range
Accepts 77mm Filters
Ultra Compact (Only 3.6", 91.8mm Long)
Multi-Layered Lens Coating
Excellent Correction for Aberrations
Hyper-Sonic Motor for Quiet/Fast AF
Close Focusing Distance of 11" (28cm)
Weighs Only 19.9 oz (565 g)
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