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Sigma 20mm f/1.8 EX DG DF RF for Pentax AF

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Price Range:	$266.00 - $459.00 at 3 stores

This 20mm is a Super wide-angle lens with a large aperture of f/1.8 and angle of view 94.5°. It has Macro focusing capability with a minimum focusing distance of just 7.9", for a reproduction ratio of 1:4. The 9-bladed iris diaphragm obtains beautiful out of focus image characteristics. Aspherical lens elements in the front & rear lens groups minimize distortion, spherical aberration and astigmatisms. The lens has non-vignetting optical construction in order to obtain adequate peripheral brightness with wide apertures-especially desirable for digital cameras. The lens incorporates a rear focus system eliminating front lens rotation. The focusing ring does not rotate during autofocus yet provides adequate focusing torque of the focusing ring during manual focusing of the lens. The lens materials used in this new lens are lead and arsenic free ecological glass. Minimize

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	Sigma 20mm f/ 1.8 EX Aspherical DG DF RF AutoFocus Super Wide Angle Lens wit... Ships Free (In stock) Sigma 20mm f1.8 EX DG Aspherical RF is one of several EX Series lenses. It is the first 20mm Super wide-angle lens in the world with a large aperture ... More at Adorama	Adorama Featured Store 5,285 store reviews See store info	$399.00 (Includes tax and FREE SHIPPING) at Adorama See It
	Sigma 28mm f/ 1.8 EX DG Aspherical Macro Large Aperture Wide Angle Lens for ... Get free shipping on orders over $25! (In stock) More at Amazon	1,581 store reviews See store info	$266.30 (Includes tax and FREE SHIPPING) at Amazon See It
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	Sigma Corporation 20 mm F1.8 EX DG Aspherical RF Wide Angle Lens for Select... New (In stock) Fix the 20 mm F1.8 EX DG Aspherical RF Wide Angle Lens from Sigma Corporation to your SLR camera and capture high-quality shots. It features Super Mul... More at Dell	646 store reviews See store info	$389.69 (Includes tax and FREE SHIPPING) at Dell See It

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Sigma 20mm f/1.8 EX DG DF RF for Pentax AF

Sigma 20mm f/ 1.8 EX Aspherical DG DF RF AutoFocus Super Wide Angle Lens wit...

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Sigma 411109

Sigma 20mm f/1.8 EX DG DF RF for Pentax AF

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