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A wide angle view of a city scape

Sigma SA Wide angle lenses for less than $500 that have a f/4 or faster aperture

#1

Sigma 10-20mm f/4-5.6 EX DC HSM

Sigma 10-20mm f/4-5.6 EX DC HSM

"When you really need to get it all in view, this is a great lens. Well made lens for the money. No chromatic aborations! Sharp if you use f11-16. Construction is excellent. Nothing negative to say about this lens." bhphotovideo.com

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Aperture f/4
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Diameter 86 mm
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Fixed aperture No
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Auto focus Yes
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Weight 0.5 kg
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Zoom range 2x
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Length 89 mm
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Fisheye No
#2

Sigma 10-20mm f/3.5 EX DC HSM

Sigma 10-20mm f/3.5 EX DC HSM
 
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Fixed aperture
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The same maximum aperture at all focal lengths
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Aperture f/3.5
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Diameter 86 mm
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Fixed aperture Yes
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Auto focus Yes
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Weight 0.5 kg
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Zoom range 2x
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Length 89 mm
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Fisheye No