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Sigma 10-20mm F4-5.6 EX DC HSM

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Review Date: Jul 23, 2006 Recommend? yes | Price paid: Not Indicated | Rating: 10 

 
Pros: Very high sharpness and good contrast throughout the zoom range, solidly built, excellent AF speed and silent HSM with FT-M focus, supplied hood and carring case - all combined into an excellent value for money APS-C lens. Can even been mount on a [135] film or FF D-SLR and work down to nearly 14mm without severe vignetting!
Cons:
Wish it was a bit faster - say, constant f/4 ?? Some people report soft copies (haven't seen one though!)

Very high sharpness and good contrast throughout the zoom range, solidly built, excellent AF speed and silent HSM with FT-M focus, supplied hood and carrying case - all combined into an excellent value for money APS-C lens. Can even been mount on a [135] film or FF D-SLR and work down to nearly 14mm without severe vignetting!

Wish it was a bit faster - say, constant f/4 ?? Some people report soft copies (haven't seen one though!)

Maybe one of the best lenses currently made by Sigma. Excellent optical qualities with well-controlled distortions and flare throughout the zoom range, while sustaining a very high level of sharpness. Actually beats my EF 17-40 f/4 L too wide open when it comes to fine details, but lacks just a tad in colour.

IMO this lens is a bit sharper, better built and lacks very little in contrast and colour compared to Canon’s own EF-S 10-22 f/3.5-4.5 at all apertures. Of course the Canon is a bit faster for those low light, handheld indoor shots I like, but costs something like the double I paid for my Sigma.

Though a DC/APS-C only lens, this Sigma can actually be mount on any EOS-mount camera – and this should stand also for Nikon F mount – even if its FF or [135]. Down to 14-15mm I can be used with [135] with vignetting/corner shadowing staying out of your way! Talk about value for money!

Generally this lens provided really WA for my 20D, and I believe its one – if not THE – best value for money lenses aimed for APS-C cameras. Even these considering upgrading to a FF camera soon should think of buying this great lens and exploring the WA world first hand. It won’t cost the world like Canon’s or Nikon’s rivals, and though some people report bad copies I believe it really worth’s a try.