Re: Blue filters and Signal to Noise ratio.
Re: Blue filters and Signal to Noise ratio.
- Subject: Re: Blue filters and Signal to Noise ratio.
- From: Roger Breton <email@hidden>
- Date: Wed, 21 Dec 2005 20:46:49 -0500
> If that's not the situation, and you can't increase the exposure time
> or aperture, then a blue filter is likely to make the S/N of the whole
> image worse.
>
> Graeme Gill.
Is there a metric for measuring S/N ratio that mere mortals like many of use
here could actually use? Something that could tell when we're about to get
into trouble.
Regards,
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
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