600EX AF-assist beam worse on 5DIII (1DX) than 7D

Started Jul 31, 2012 | Discussions thread
Abraxx Regular Member • Posts: 135
Re: 600EX AF-assist beam worse on 5DIII (1DX) than 7D

I have the 600ex-rt and the 5D3 too

Mine locks focus instantly, can not even count a second in very poor light, even dark...

One of the main reasons I bought the 600ex-rt was the very strong AF assist beam.
Which lenses did you try?
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 Abraxx's gear list:Abraxx's gear list
Fujifilm X100T Canon EOS 5D Mark III Canon EF 100mm f/2.8L Macro IS USM Canon EF 24-105mm f/4L IS USM Canon EF 70-200mm f/4L IS USM +25 more
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