Re: #25 vs. IR filter

[glsmyth@xxxxxxx]

Date sent:      	Wed, 28 Apr 1999 14:18:08 -0400
From:           	Hondo <btl3@xxxxxxxxxxx>
To:             	infrared@xxxxx
Subject:        	Re: #25 vs. IR filter
Send reply to:  	infrared@xxxxx

> From what I have read on everyone's websites and here on the list, if an
> 87a filter is used, the camera should be set at ASA 25, and just meter
> TTL at f11. Would most agree that this is the general concensus?

Although meters are sensitive to infrared radiation, they are not calibrated for 
it.  Everyone's meter could be wildly different in this respect.

This is why I meter through a #25 filter, then add 2-4 stops, depending upon 
the scene.

george
George L Smyth
HandMade Photographic Images
http://www2.ari.net/glsmyth/
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