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Canon 24-105 to Sigma 24-105
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Re: Canon 24-105 to Sigma 24-105
Hi Sam, I've been waiting to see what responses you received, but to date, not much....so I will assume you are talking about using the lenses with a full frame camera body since you are interested in corner performance. I own the Canon 24-105 f4 IS L, and my spouse owns/uses the Sigma 24-105. The Sigma is bigger, heavier,… -
Re: Canon 24-105 to Sigma 24-105
Bit of an update: Went to a friends house and shot a wood fence with my 24-105 and his back to back using my camera. Both were soft left and right at 24mm f4. Mine is softer on the right than his. At 50 mm and 105 both were very good exhibiting very little softness at f4 and stopped down a little f5.6 pretty consistent… -
Re: Canon 24-105 to Sigma 24-105
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Re: Canon 24-105 to Sigma 24-105
You say the left side is worse than the right side of the frame?? That makes me wonder, just a bit, if it needs to be adjusted by Canon Factory Service. I would expect most lens failings ( of design anyway ) like loss of sharpness to be symmetrical, side to side. Wouldn't you Sam? I have had CFS adjust/repair several… -
Re: Canon 24-105 to Sigma 24-105
Sam: Consider renting the same Canon lens from the good folks at LensRentals.com to see if it is your copy or endemic. Their blog is always worth a read while you are there (http://www.lensrentals.com/blog) - particularly about the ways they measure and test the lenses in their rental fleet. I rent from them as opposed to… -
Re: Canon 24-105 to Sigma 24-105
Thanks Jim, I have always been happy with my 24-105 but after testing it at f4 against a wood fence I found the left side was particularly soft. Once seen can not be unseen. :D It works great as a walk around lens, but I wanted to see what I could get out of it wide open, for indoor events, and I am not satisfied with it…
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