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EOS R and EF 100mm f/2.8L Macro IS USM -lens
Hi, I tested my Canon 100mm macro lens on the new R with the basic adapter, and it seems the IS is running constantly on the lens. I did not notice the same with my other lenses with IS - normal behaviour is that the IS runs when I autofocus etc. Only way to stop the IS is to turn the lens... -
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70-200L autofocus on center vs. peripheral focus points
Hi, I have the Canon EF 70-200 f/2.8 L IS ii USM lens and use it with my 5d3. I have tried my best to AFMA it and I am happy with its focus accuracy when using the center focus point in the single spot focus point -mode. However, I am noticing (more and more consistently) that @ f/2.8 when...