On Mon, 14 Oct 2002 14:24:11 -0700, Ronald Bruck <bruck@math.usc.edu>
wrote:
I have a number of slides which are labeled "Anscochrome". In
researching this on the web, I discover this was a (slow) positive
film. Thus I suspect Anscochrome was used for duplicating slides.
Can anyone verify that this was (at least a common) use for this film?
Is it still in use? What do people use today?
And how much resolution was lost by the analog process of duping a
slide?
--Ron BruckAnscochrome was simply a GAF color slide film - available in a couple
of speeds - 40 and 100. Nothing special about it - just another
competitor for Kodachrome. You refer to it as "slow" but keep in mind
that Kodachrome at that time came in 25 and 64 with Ektachrome at 100
and High Speed Ektachrome at 200 and, by special processing, 400.
All of these names and numbers are from memory so pardon me if I've
muddled any of it.
Ronald Bruck wrote:
I have a number of slides which are labeled "Anscochrome". In
researching this on the web, I discover this was a (slow) positive
film. Thus I suspect Anscochrome was used for duplicating slides.
No, Anscochrome was a standard slide film, a competitor to Kodak's
Ektachrome line. It was introduced in about 1955, and used the E4
process. Ansco was based in Binghamton, NY, and was owned by GAF at the time. There was an ASA 64 version, and they later came out with an ASA
200 version, which was the fastest slide film available at the time. In
about 1970, the parent company renamed the film GAF slide film, and used Henry Fonda as their spokesman. The film was popular because it was inexpensive.
Ansco made other types of film along with photographic paper. Their
parent, GAF, manufactured inexpensive consumer cameras and slide
projectors. They stopped producing the film in the mid-1970s.
Can anyone verify that this was (at least a common) use for this film?
Is it still in use? What do people use today?
If you are asking about duplicating film, Kodak manufactures a film specifically for this purpose called EDupe. It will accurately render
proper skin tones in the duplicate, and will not accumulate contrast as
a standard reversal film would. It is somewhat difficult to use, since
you have to color balance each batch of film you are trying to
duplicate, and it is a bit of a trial and error process. For best
results, you need an accurate light source with dichroic color
correction filters.
I have a number of slides which are labeled "Anscochrome". In
researching this on the web, I discover this was a (slow) positive
film. Thus I suspect Anscochrome was used for duplicating slides.
Can anyone verify that this was (at least a common) use for this film?
Is it still in use? What do people use today?
And how much resolution was lost by the analog process of duping a
slide?
--Ron Bruck
On Monday, October 14, 2002 at 2:24:11 PM UTC-7, Ronald Bruck wrote:
I have a number of slides which are labeled "Anscochrome". In
researching this on the web, I discover this was a (slow) positive
film. Thus I suspect Anscochrome was used for duplicating slides.
Can anyone verify that this was (at least a common) use for this film?
Is it still in use? What do people use today?
And how much resolution was lost by the analog process of duping a
slide?
--Ron Bruck
I know this is a tad dated, but...can anyonetell me what process/s was/were used to develop ANSCO color film in the early 50s? Was C-22 around then,
or what was there?
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