Re: [APML] Hoya filters for B&W

["Jim Ives" <flyboy9990@earthlink.net>]

Since were sort of on the subject of tri color imaging, do you do equal
exposures of each RG and B ?
Jim
----- Original Message -----
From: "Mike Connors" <micon@starband.net>
To: <astro-photo@seds.org>
Sent: Saturday, March 30, 2002 8:40 PM
Subject: Re: [APML] Hoya filters for B&W


> Dan,
>
> Try  R60=red, G53 or G530=green, B43 or B430=blue.  Covington lists G58
for
> the equivalent Wratten 58.  R60 is a sharp-cut around 600nM; G530 and B430
> are both listed in the Hoya section of  http://www.besoptics.com as color
> separation types.  There are a bunch of blue color separation choices, but
> only one green.
>
> Hope this helps
>
> Mike Connors
>
> ----- Original Message -----
> From: "Daniel J. Kmiecik" <onyo@onyo.net>
> To: "Astro-Photo" <astro-photo@seds.org>
> Sent: Saturday, March 30, 2002 3:16 PM
> Subject: [APML] Hoya filters for B&W
>
>
> > The local camera shop sells Hoya filters. Which red, green and blue
filter
> > do I need to be able to create true color pictures from black and white
> > film?
> >
> > Thanks for any info.
> >
> > Dan
> > http://www.onyo.net
> > ..
> > "E pur si muove!"
> > ("But it does move!")
> > -- Galileo Galilei
> >
> >
>
>
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