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Sigma

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$479.00

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Item Includes Description Features Specifications

Sigma 10mm - 20mm f/4-5.6 EX DC Autofocus Zoom Lens for Pentax Digital SLR Cameras.

Mfr. Part: 201109     SKU: SG1020PXAF

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Item Includes
Lens Hood, Front & Rear Lens Caps, 4-Year USA Warranty, 1-Year International Warranty

Description
10-20mm F4-5.6 EX DC lens allows enjoyment of super wide-angle photography and it is a very powerful tool for indoor shooting and landscape photography

Wide angle of view (102.4° at 10mm and 63.8° at 20mm) offers the photographer greater freedom of expression.

These are special DC Series Lenses designed so that the image circle matches the smaller size of the image sensor of most digital SLR cameras. Their specialized design gives these lenses the ideal properties for digital cameras, the compact and lightweight construction is an added bonus!

Three SLD glass elements are employed for effective compensation of color aberration, which is a common problem with super-wide angle lenses. One piece of glass mold and two hybrid aspherical lenses, offer excellent correction for distortion, as well as all types of aberration.

This lens is equipped with an inner focusing system, and the models which are equipped with HSM system provide quiet, high speed autofocus shooting and also offer full time manual focusing. It has a minimum focusing distance of 24cm (9.4") at all focal lengths. The non-rotating lens barrel perfectly suits the petal shaped lens hood. A circular polarizing filter can also be used conveniently.

Please note:
Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.

Features
Super wide-angle zoom lens designed exclusively for digital SLR cameras
Covers a superwide angle of view 102.4° to 63.8°
Three pieces of Special Low Dispersion (SLD) elements and three aspherical lens elements produce top quality optical performance.
Inner focusing system ensures the length of the lens remains unchanged while controlling aberrations.
Minimum focusing distance of 24cm (9.4") at all focal lengths.
Relatively compact, lightweight for an ultra wide-angle zoom lens.

Specifications
Construction14 Elements in 10 Groups
Angle of view102.4° - 63.8°
F stop rangeMinimum Aperture : f/22
Closest Focusing Distance24cm (9.4")
Maximum Magnification1:6.7
Filter Size77mm
Dimensions (Length x Diameter)81mm (3.2") x 83.5mm (3.3")
Weight16.6 oz / 470.60 gr
  
 
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