Hi All, I am just after a comparison between the above two lenses for bird and nature photos in general. I want to buy one of the other, but would like some first-hand accounts from any users before deciding to spend my money.
Hope some of you can help!
Hi Chris, (and everyone else)
Sorry about the cross posting, I sent the previous email before yours but another email held it up from going. I went off to do something else and found I’d flicked the same website advice to John as yourself after you had posted it.
Allan Richardson
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Hi Guys.
I find this site excellent for comparing just about any two lenses from a few lens vendors you like, although not completely exhaustive.
http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=113&Camera=453&Sample=0&FLI=7&API=0&LensComp=683&CameraComp=453&SampleComp=0&FLIComp=5&APIComp=0
Just run your cursor over the image to swap between the two lens captures. The default is the left-hand lens, in this case the Canon, and the cursor on the image will bring up the compared lens, in this case the Sigma. You can check different apertures, different focal lengths (on the zooms) and if you go into the reviews section of the site, Brian gives some excellent advise on a pile of lenses, Canon in particular, since that is what he uses on a day to day basis.
Allan Richardson Morisset NSW
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There are innumerable sites with reviews of these and other lenses on the internet. However the following one specifically compares the two lens you mentioned.
http://www.michaelfurtman.com/sigma150_500.htm
Cheers
Andrew
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