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Re: Lenses and IR?
- From: George L Smyth <GLSmyth@xxxxxxx>
- Subject: Re: Lenses and IR?
- Date: Fri, 31 Oct 1997 07:01:44 -0500
Martin W Horvitch wrote:
>
> The question: How does an Autofocus Camera adjust for the different focul
> length of IR film compared to normal film?
It doesn't. If you stop down, however, depth of field will take care of things. If
you don't have depth of field working for you then you need to adjust manually. If
your lens does not have markings you will need to make a guess and focus "slightly"
closer.
george
- --
Handmade Photographic Images
http://www2.ari.net/glsmyth/
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End of Infrared-Digest V0 #265
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