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  1. L

    Canon 80d 100-400 mk1 birds in flight not focused

    Hi Tim I don't have flicker, it must have changed the quality for this forum, you are right I have blown it slightly. I am attempting to adjust focus with Reikan FoCal.
  2. L

    Canon 80d 100-400 mk1 birds in flight not focused

    Hi Can any one give me advice on the canon 80d with the efs 100-400mm L USM MK1. How do I get sharp shots with this lens, I have been shooting 2000 shutter speed, f5.6 - f8, auto iso (limited to no greater than 3200) single spot focus and servo af. I have been practicing on gulls.
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