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DC 17-50mm F/2.8 EX OS HSM Zoom Lens For Pentax *FREE SHIPPING*

DC 17-50mm F/2.8 EX OS HSM Zoom Lens For Pentax *FREE SHIPPING*view image
SIGMA

SIGMA - DC 17-50mm F/2.8 EX OS HSM Zoom Lens For Pentax *FREE SHIPPING*

Item# SIGAFDC1750OSP
Mfr Part# 58C109

Regular Price $669.00
Instant Savings -$300.00
(Exp. 10/31/2017)

Your Price: $369.00       


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Product Description

Large aperture standard zoom lens with a minimum focal length of 17mm incorporating OS (Optical Stabilizer).
Large aperture standard zoom lens with a minimum focal length of 17mm, designed exclusively for digital SLR cameras and incorporating Sigma's original OS (Optical Stabilizer). The OS function offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible. The lens has a compact construction with an overall length of 91.8mm. This compact and lightweight construction makes the lens ideal for travel photography. Two FLD (F Low Dispersion) glass elements, two glass mold and one hybrid aspherical lens provide excellent correction for all types of aberrations. This lens has superior peripheral brightness and provides sharp and high contrast images even at the maximum apertures. The incorporation of HSM (Hyper Sonic Motor) provides fast and quiet AF.

FLD (F Low Dispersion) glass elements
Two FLD (F Low Dispersion) glass elements, which have the performance equal to fluorite glass, compensate for color aberration. In addition, two glass mold elements and one hybrid aspherical lens give excellent correction for field curvature and astigmatism. High definition images are ensured throughout the entire zoom range.

Sigmas own unique OS (Optical Stabilizer) technology
The lens is equipped with Sigmas own unique OS (Optical Stabilizer) function. This system allows the photographer to use shutter speeds approximately 4 stops slower.

F2.8 Large aperture throughout the entire zoom range
The large aperture provides a bright viewfinder image, helping the photographer confirm accurate focusing. It is also ideal for emphasizing the subject by creating a natural, blurred background and allowing the use of fast shutter speeds.

Covering a wide range of focal lengths from 17mm

This lens covers a wide range of focal lengths from 17mm and has an equivalent angle of view of a 25.5-75mm with a 35mm SLR camera. It is ideal for portraits, landscapes and general photography.

Compact construction
The lens has a compact construction with a diameter of 83.5mm, overall length of 91.8mm and weight of 565g. This compact and lightweight construction makes it ideal for travel photography.

Super Multi-Layer Coating
The Super Multi-Layer Coating reduces flare and ghosting as well as providing sharp and high contrast images throughout the entire zoom range.

Superior peripheral brightness
This lens has superior peripheral brightness and provides sharp and high contrast images even at the maximum apertures.

Fast and quiet AF
The lens incorporates HSM (Hyper Sonic motor), ensuring fast and quiet AF.

Close focusing capability

This lens has a minimum focusing distance of 28cm throughout the entire zoom range and a maximum magnification ratio of 1:5.

Rounded diaphragm
This lens has rounded 7 blade diaphragm which creates an attractive bokeh to the out of focus area of the image.

Inner focusing system
The inner focusing system eliminates front lens ration, making the lens particularly suitable for using the supplied petal-type hood and circular polarizing filters.





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