Re: #235
- From: "John Black" <jblack@xxxxxxxxx>
- To: <leica@xxxxxxxxxxxxx>
- Date: Mon, 25 Jul 2005 14:12:38 -0400
> John,
>
> Hoya 25a. Not a genuine IR filter but SFX only has heightened sensitivity
to
> red and is not a true IR film. Some shots on the roll have little or no
> 'silvering' of green foliage. Thanks for looking.
>
Thanks. I have never used SFX but have been intrigued by the published
sensitivity spectrum curves showing an enhanced red region. I always
wondered if it could be used to good effect in predominantly tungsten
lighting.
JB
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