Re: Bulb for Osram Duka-50 safelight?



In article <1125223019.821080.294000@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
dan.c.quinn@xxxxxxx wrote:

> RE:Bob Salomon wrote:
> >
> > No filters have to be purchased as all come with the Kaiser and
> > the tube Kaiser uses does not effect color paper.
> >
>
> I'd suppose it does not affect color IF one of the
> supplied filters is installed.
> I think perhaps sodium vapor lamps came into wider use
> with the increasing popularity of VC papers. Many old hands
> accustomed to the high light levels of a Graded paper
> darkroom could, with the sodium, maintain some
> semblance of their previous well
> lite darkrooms. Dan

Dan, it comes with a white diffuser and a red add on filter for color.
The tube used emits light at a wave length color paper doesn't see. The
red looking filter is for use with VC papers.

That was the reason why Kodak recommended it for use in color movie
processing labs.

--
To reply no_ HPMarketing Corp.
.



Relevant Pages

  • Re: Bulb for Osram Duka-50 safelight?
    ... > the tube Kaiser uses does not effect color paper. ... supplied filters is installed. ... lite darkrooms. ...
    (rec.photo.darkroom)
  • Re: Stellafane posts, anyone?
    ... over to the observing area just downhill of the McGregor Observatory to see ... said that he was Dan MacShane of DGMOptics. ... and trying out different filters - ... Epsilon Lyra split beautifully at 80x, blah blah ...
    (sci.astro.amateur)
  • Re: Outlook calendar issue??????????????????
    ... No view filters, but in an oddity, if he logs into OWA he ... >Dan wrote: ... >> calendar entries other than those he manually enters. ...
    (microsoft.public.exchange2000.admin)
  • Re: Suse 9.1 is seriously in need of help!!!!!!!!!!!!!!!!!
    ... Dan C wrote: ... > appear in people's newsreaders, who have filters in place to ... Open source. ...
    (alt.os.linux.suse)
  • Re: Viva Linux
    ... Dan C wrote: ... it is because of the filters in place that distort what you know about the ... You've run out of oil, ...
    (alt.os.linux)