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photograms onto 16mm B\W - any advice?


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#1 bibbob

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Posted 21 October 2005 - 11:05 AM

Hi,

Im trying to make 16mm photograms (not stills), at the moment i am using Agtha STA (with ISO\ASA of 80) negative film,

Ive found exposing for 2-3 seconds works well.
Ive been using paper developer instead of film developer, what sort of difference will this make - i am new to home developing.

The images come out pretty well. But appear a little purple, (someone said i should leave the film in the fixer\stop bath longer.

Also, it seems like after a point of time in the developer it stops darkening the image. Can i leave the film in there indefinitely.

Any advice?

Cheers! :)
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#2 John Pytlak RIP

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Posted 21 October 2005 - 11:08 AM

The purple color is likely absorber dye or sensitizing dye. I agree --- be sure your fix and wash times are adequate to clear out the dye.

If you leave the film in the developer too long, eventually you will start to see fog in the lighter areas of the image. Develop long just long enough ("to completion") to fully develop the black areas. Run a developer time series and measure the densities of the black and clear areas to choose the optimum time.
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#3 Dickson Sorensen

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Posted 21 October 2005 - 11:19 AM

If you are using dektol paper developer you may find that it increases the contrast a little, not to worry.
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#4 Steven Gilbert

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Posted 21 October 2005 - 04:05 PM

Hi. I'm curious to learn more about making animated photograms. Currently, I know nothing about the process. I've seen the short films of Sheri Wills:

http://www.sheriwill.../photogram.html

Could you tell me how this is done? Are the photograms created on photographic paper and then re-shot onto 16mm. It looks to me like simple fades from one image to the next.

Or is it possible to create the photogram directly onto 16mm film?

Thanks.
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#5 bibbob

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Posted 21 October 2005 - 06:11 PM

hi stevn,

It looks like she is doing it with photograms onto photographic paper, then she is filming them onto 16mm by means of an optical printer - allowing her to use fades, create movement etc.

Im doing photograms directly onto 16mm, placing objects like lace accross the film then exposing. This creates patterns accross the frames - creating a fast changing image rather than giving each photogram time as she does.

For best advice on doing photograms on photographic paper google it and there are quite a few sites that can tell you more than i can. Its mainly about experimenting till it looks right.

Hope that helps
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