[LargeFormat] rest

[Pam Niedermayer]

OK

Pam

paul_loyd@hermanmiller.com wrote:
> 
> 
>                     Pam Niedermayer
>                     <pam_pine@cape.        To:     largeformat@f32.net
>                     com>                   cc:
>                     Sent by:               Subject:     Re: [LargeFormat] rest
>                     largeformat-adm
>                     in@f32.net
> 
> 
>                     02/01/01 08:53
>                     AM
>                     Please respond
>                     to largeformat
> 
> 
> 
> And keep an eye out for used Calumets. They're out there.
> 
> Pam
> 
> Clive Warren wrote:
> >
> > At 19:18 31/01/01 -0800, Les Newcomer wrote:
> > >Wow I didn't know that about the CD. guess it's better to stick with the
> > >calumet tester.
> > >
> > >BTW, Andy Davidhazy, Proffessor at RIT built a shutter tester on the
> > >same idea as the calumet tester.(photocell driving a counter that
> > >divides a second into 1 million parts)
> > >
> > >  I would be surpised if he didn't get the schematic from a published
> > >source or published it himself, so if you are REALLY into do it your
> > >self, it's an option, altho I doubt you will save much over the calumet
> > >version.
> > big snip
> >
> > Here in the UK there are a few sources of electronic kit, most of which
> is
> > probably available worldwide.  When looking around at what was available
> a
> > couple of years ago I tried to find a latching counter clock chip that
> > would run fast enough to measure up to 1/1000 sec. but there were no
> cheap
> > varieties available.  The chip would have been the main "engine" of the
> > shutter tester device. The Calumet tester worked out by far the most cost
> > effective and compact option even if you value your time at zero.....
> >
> > Things might have changed though so perhaps it's worth looking around to
> > see if you can find a cheap clock chip.
> >
> > All the best,
> >                  Clive   http://www.f32.net
> 
> I found a plan for a shutter tester on the Internet a couple of years ago,
> I built it and it works just fine. Using the tester require a little bit of
> judgement for focal plane shutters, but for leaf shutters it's
> straightforward. The tester plugs into the microphone input on your
> computer sound card and uses a music editing program for a time base.  All
> the parts are available at Radio Shack (Tandy) for just a few dollars.  The
> program that I used was a trial version of CoolEdit 96 a shareware program.
> The trial version was functional enough to do the shutter testing, so there
> was no need to buy the program.  The current release is CoolEdit 2000, I
> haven't used it but I understand that instead of limiting functionality on
> the trial version it limits you to 30 minute sessions.
> 
> Here is the URL:  http://www.geocities.com/Yosemite/2131/shspeed.html
> 
> Paul _______________________________________________
> > LargeFormat mailing list
> > LargeFormat@f32.net
> > http://www.pairlist.net/mailman/listinfo/largeformat
> 
> --
> Pamela G. Niedermayer
> Pinehill Softworks Inc.
> 600 W. 28th St., Suite 103
> Austin, TX 78705
> 512-236-1677
> http://www.pinehill.com
> 
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-- 
Pamela G. Niedermayer
Pinehill Softworks Inc.
600 W. 28th St., Suite 103
Austin, TX 78705
512-236-1677
http://www.pinehill.com