Question about Canon (15x50) IS Binocular
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Posted on Jan 02, 2017
SOURCE: I have a Cannon 40D
What you can do is to get another sample, so see if that one focuses better in combination with your 40D.
What you can also do is to let Canon calibrate your 40D with both of your lenses.
Achieving focus is a task of both the lens ( the lens electronics decide on the steps the motor has to take, everytime the camera asks for a new "sample") and the camera (which is the one that judges the sample on focus by determining an increase or decrease in the contrast in the subject). So calibrating both the lenses and camera to work well together can increase AF performance a lot. Hope that helps......
Posted on Jul 04, 2008
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