CaPpedDoG wrote in post #18259166
Hey everyone, I'm looking to buy either a Canon 135mm f2 or Sigma 85mm 1.4 ART. It'll mainly be used for outdoor dog photography in natural light. Been trying to decide all weekend on which to buy but I just can't figure it out!! I'm leaning more towards the Canon, mainly because it's cheaper. I've read in a few places that the Sigma ART occasionally has AF problems, which steers me away from it. Any suggestions? Cheers!
I don't have a 135, but the sigma 85 works ok. At f1.4 there will always be misses, since the size of the af point isn't small enough to be perfectly precise, but no dramas for me so far. If you want to catch them on the run then I'd probably be looking for something longer.
Edit: Servo AF with the 85 works better than the 35mm 1.4 (forget about even trying).
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