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Simple auto-focus calibration for DSLRs with adjustable settings.
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<blockquote data-quote="Camera Fun" data-source="post: 465648" data-attributes="member: 13006"><p>Just finished going through the process. Set my 18-105 at -7 and my 70-300 at -5. I will admit I didn't keep changing the distance from the target for differing focal lengths through a lens; only so much space in my house. I did run more than one test at different focal lengths; occasionally getting some strange ranges (even with setting back button focus) and eliminating those trials.</p><p> I like this system much better than using some type of angled target. I always struggled with that system; getting the targets aligned properly, being careful not to move the camera/tripod when removing/replacing the card, and especially when trying to judge the actual focus point on my computer screen. I just wasn't getting consistent results.</p></blockquote><p></p>
[QUOTE="Camera Fun, post: 465648, member: 13006"] Just finished going through the process. Set my 18-105 at -7 and my 70-300 at -5. I will admit I didn't keep changing the distance from the target for differing focal lengths through a lens; only so much space in my house. I did run more than one test at different focal lengths; occasionally getting some strange ranges (even with setting back button focus) and eliminating those trials. I like this system much better than using some type of angled target. I always struggled with that system; getting the targets aligned properly, being careful not to move the camera/tripod when removing/replacing the card, and especially when trying to judge the actual focus point on my computer screen. I just wasn't getting consistent results. [/QUOTE]
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Learning
Tutorials
Simple auto-focus calibration for DSLRs with adjustable settings.
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