Yet another excercise: Infrared

Started Aug 9, 2005 | Discussions thread
jeffkrol Veteran Member • Posts: 6,225
Re: A Question About Focus

Doesn't suprise me that AF can "see" through an IR filter. W/ IR assist lights ect. they should be "tuned" to a low red. Since I also assume most are CCD/CMOS "like" which is sensitive to IR (thus the IR cut filters). Now all you need is an IR focus compensation "tweak" to the focus software to compensate, though I assume this would be focal length dependent. (And a removeable IR cut filter and life would be good.

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