Focus shift (was: Medium format and plastic sheets

[Spearmint <minty@xxxxxxxxxxxxxxxxxxx>]

>Willem, I'm sorry, but I disagree. From extensive use of this film over the
>years, I have found that the images are sharp and need no focus shift. You
>don't need an APO lens nor small apertures for sharp images with Ektachrome
>infrared.
>                                                                Joe

I totally agree with Joe, I used to correct focus but after further 
reading about IR photography along with magazine articles and my own 
opinion I decided there was little need for focus shift with colour IR 
films. If there's any serious doubt why not use a suitable depth of field?

Regards
Gavin Wrigley


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Idiot glee (?)

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Coolmint Designs.  
http://homepages.nildram.co.uk/~minty

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