What to do with your old 10D.

Started Aug 28, 2007 | Discussions thread
Jeff Peterman
OP MOD Jeff Peterman Forum Pro • Posts: 12,475
Re: focusing?

I would think that the offset between visible light focusing and near IR focusing would be the same, or close enough, for different lenses. If so, calibrating for a 50mm should work for a range of others. Besides, the bigger issue is that some lenses have IR coatings (sometimes even, sometimes heaviest at the center), so you have to experiment a lot anyway.
Jeff Peterman

Any insults, implied anger, bad grammar and bad spelling, are entirely unintentionalal. Sorry.

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