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Re: [OM] Lightroom Help

Subject: Re: [OM] Lightroom Help
From: Ken Norton <ken@xxxxxxxxxxx>
Date: Thu, 3 Jul 2014 15:06:35 -0500
>      And I couldn't agree more about not bothering.  I've spent far too much 
> time on this, and I'm still having to hack my way through every detail.  
> Using the overlays I created with FilterSim and just sticking with Corel 
> Photo-Paint works well enough until I get into the deep reds, then I have to 
> resort to glass.  And then you run into this interesting problem with the 
> camera itself.  With a 750nm IR filter at ASA 200 and f/5.6 the internal 
> metering says to use 1/250 second, whereas it should be 4 seconds.  I get the 
> impression that the metering function is extremely sensitive to red.

Picture Window Pro has a very very good filter pack built in. Frankly,
I think it's far better (and repeatable) than anything I've found in
Adobe software.

As to the metering with the filter in place? Not gonna happen. I
wouldn't bother with the built-in meter at all with filters.


-- 
Ken Norton
ken@xxxxxxxxxxx
http://www.zone-10.com
-- 
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