Sigma 20mm F1.8 EX DG Aspherical RF

Wideangle prime lens | Canon EF, Nikon F (FX), Pentax KAF, Sigma SA Bayonet, Sony/Minolta Alpha
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Product description

Manufacturer description: The Sigma 20mm F1.8 EX DG Aspherical Macro is a standard wide-angle lens for full-frame and APS-C digital SLRs. Although not a new lens, it remains popular for its combination of good build quality, a usefully fast aperture of F1.8 and decent optics. You don't get Sigma's HSM ultrasonic-type autofocus motor but a clever manual/auto focus clutch gives quick access to manual focus if you need to fine-tune.

Quick specs
Lens type Prime lens
Focal length 20 mm
Image stab. No
Lens mount Canon EF, Nikon F (FX), Pentax KAF, Sigma SA Bayonet, Sony/Minolta Alpha
Max aperture F1.8
Min aperture F22.0
Min focus 0.20 m (7.87)
Weight 520 g (1.15 lb)
Length 90 mm (3.52)

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