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how to do proper micro adjustment

Started Feb 12, 2013 | Discussions thread
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kev777zero
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how to do proper micro adjustment
Feb 12, 2013

I would like to ask about how to assess the amount of micro adjustment I need on a few of my lenses. It seems to consist of focusing on a rule-like object (where can I get this or how to make myself one?), and that's about all I know. How far away should I be standing from it?

I've also read that the ability for a lens to do critical focus may vary depending on the distance of your subject, and the focal length being used if you're using a zoom lens. So would micro adjustment be irrelevant if I don't shoot objects at the same distance or if I use a zoom lens?

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