Unless it is Polachrome:
http://blog.timesunion.com/chuckmiller/playing-with-polaroids-polachrome-instant-slide-film/5835/
Dario
-----Messaggio originale-----
From: Paul Stenquist
Sent: Thursday, February 27, 2014 10:57 PM
To: Pentax-Discuss Mail List
Subject: Re: Strange old colour film
I suspect that someone photographed magazine pages. I don’t think the dot
pattern is in the film.
Paul
On Feb 27, 2014, at 4:32 PM, David Mann <dmann...@gmail.com> wrote:
Here's something the more experienced photographers might be able to help
me with...
Among these old slides I've been scanning are a handful of colour ones
which are not part of the Australian stuff. A few of these colour ones
(but not all) appear to have a kind of halftone pattern. See here for an
example at 1200ppi.
http://gallery.multi.net.nz/photo/771/
As you can imagine it's fiendishly difficult to scan. Once I have a good
scan (ie not blown out) it's quite easy to get rid of the pattern in
Photoshop. Note I haven't done any colour corrections other than
increasing the brightness a bit.
I've had a look using a 10x loupe and it looks a bit like an LCD screen
but is hard to make out at such a low magnification. I might try a higher
res scan later, and I'll find out whether the microscope at my wife's work
has a camera.
Could anyone fill me in on what the film might be? The photo in the pic
was taken in 1951. In case you're curious it's part of a photo taken at
the top of Dyers Pass after a snow storm. I might post the full pic in
future.
Cheers,
Dave
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