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Title: Sigma VS Canon Telephot Comparison Question Post by: Tallyther on January 10, 2010, 05:40:37 PM Please rate the Sigma 150-500 f5-6.3 VS Canon 300 f4 with a 1.4 and 2.0 EX, both with IS/OS!
Title: Re: Sigma VS Canon Telephot Comparison Question Post by: Bob Atkins on January 10, 2010, 10:19:43 PM Haven't shot with the Sigma so I can't!
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