Re: [APML] Stacking

[George Anderson <georgea@cam.org>]

The intent was to use registrar, I have tried to manually register two
negs while printing B&W about fifteen years ago and then again in
photoshop a few years back. That was tough enough, ten would fall in the
masochistic realm.

George Anderson
Montreal Canada

Clear skies and good health

Chris Schur wrote:
> 
> George, good luck stacking and getting 10 images in register with film.  In
> my experience with at least the schmidt camera, after about four negs, the
> resolution actually decreased for me, because of registration problems.
> That of course was before registar, which also warps the images.  I would
> recomend caution here.  My 2 cents worth.
> 
> Chris Schur
> 
> -----Original Message-----
> From: owner-astro-photo@seds.org [mailto:owner-astro-photo@seds.org]On
> Behalf Of George Anderson
> Sent: Monday, April 22, 2002 7:58 PM
> To: APML
> Subject: [APML] Stacking
> 
> A potentially dumb question...
> Would stacking a string of say ten shots taken with a high grain film
> (ISO 800+) help reduce the graininess of the final image?
> I have searched the Kodak website to try and find the "typical" grain
> size for different films with no luck. I was looking to see what film
> had a grain structure that was similar to the size of the pixels in the
> ST-7. I realize that an exact comparison is not possible due to the
> natural randomness of grain shape and distribution versus the rather
> precise size and location of the sensors on a ccd.
> 
> George Anderson
> Montreal Canada
> 
> Clear skies and good health
> 
> --  APML Archives at <http://astro.umsystem.edu/apml/>  ---
>              Unsubscribe at <majordomo@seds.org>
> 
> --  APML Archives at <http://astro.umsystem.edu/apml/>  ---
>              Unsubscribe at <majordomo@seds.org>

--  APML Archives at <http://astro.umsystem.edu/apml/>  ---
             Unsubscribe at <majordomo@seds.org>