Re: [ATM] Wratten #3N5 filter responses

[Dominic-Luc Webb <dlwebb@canit.se>]

It is known that the 3N5 is used in B&W photography. It is in
fact one of the more popular filters for B&W.

Dominic-Luc Webb


On Sun, 10 Jun 2007, Jarvis Krumbein wrote:

> Another possibility for the Wratten 3N5 filter is for color correction
> when using B&W film.  Most of the aeriel camera lenses available as WW2
> surplus after the war required the use of a yellow filter for their
> intended use.  These included the Kodak Aero Ektars (both the 7" and 10")
> that were popular as well as all the various Aero Tessars.
>
> Jarvis Krumbein
>
> On Sun, 10 Jun 2007 00:40:28 -0400 hermit <hermit@outofoptions.org>
> writes:
> > Just deleted a long question after reading it and looking up some
> > things.  Bill Prewitt suggested it was a moon filter.  "Shooters
> > Glasses" are often yellow to help block haze (and do a few other
> > things
> > not related to this).  So, this would be a combination haze/neutral
> >
> > density filter for the moon?
> >
> > Ken Lowther
> >
> > John Lynch wrote:
> > > To the ATM group:
> > >
> > > My thanks to those individuals on the list who
> > > responded to me regarding the Wratten #3N5 (Neutral
> > > Yellow) filter.   Descriptions, a nice comprehensive
> > > filter list, and transmittance graph were provided
> > > that will prove to be very useful.  The filter that I
> > > purchased was one of an original set manufactured by
> > > VERNONscope & Company, and is no longer made.  The
> > > amount of knowledge available through this group is
> > > phenominal!
> > >
> > > Thanks again.
> > >
> > > John Lynch
> > >
> > >
> > >
> > >
> > >
> >
> > _______________________________________________
> > ATM mailing list http://www.atmlist.net/
> >
> >
>
> _______________________________________________
> ATM mailing list http://www.atmlist.net/
>

_______________________________________________
ATM mailing list http://www.atmlist.net/