70d Focus issue with some lenses only

Started 6 months ago | Questions thread
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Philippe21 New Member • Posts: 4
70d Focus issue with some lenses only

I just tested 3 of my lenses with reikan FoCal and the results are very different.... With the tamron 17-50 (non vc) and the canon 50mm f1.8 the focus is not good. sometimes it has back focus issues, sometimes front.... there's no constancy .  With my Tokina 50-135 the test perform very well, no focus issues at all!  There is a lot of thread of 70d with bad focus, is it my case or it's only two of my lenses that are "tired"?  Excuse my bad English writting..... I'm a french speaking person....     Thanks

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Canon EOS 70D
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