Pictures and photopolymerization?

analog what is that? · Jan 17, 2012

As Iunderstand the "film" doers not and should not dry out, apparently this happens in fluid state.

keithwms · Jan 17, 2012

Well, that's okay, you can probably maintain enough humidity or you can use a solvent that doesn't evaporate very quickly. Simply storing a plate in a cool box with some water in it will keep it wet indefinitely.

Ole · Jan 17, 2012

analog what is that? said:
Fail to see the connection with OP, but do you have a link to those top class lenses for "next to nothing" I'm looking for a good outfit for my Plaubel Makiflex......
(and I'm pondering upon how to get this photopolymer stuff onto glass plates, to utilize this as photo plates in the 4x5 glass negative carrier in said camera..................... ISO 1 - 8 maybe?)

Maybe I used the wrong tense of the verb, I should have said were snapped up.

The G-Claron, APO-Artar, Germinar, and many many other popular lenses were originally made for phototypesetting and repro photography. By now those lenses that weren't snapped up in time have all ended up in landfills. Lens mining, anyone?

Some Holography plates use photopolymers. Check with www.slavich.ru ?

analog what is that? · Jan 17, 2012

keithwms said:
Well, that's okay, you can probably maintain enough humidity or you can use a solvent that doesn't evaporate very quickly. Simply storing a plate in a cool box with some water in it will keep it wet indefinitely.

I don't think there is any water in the mix-

keithwms · Jan 17, 2012

analog what is that? said:
I don't think there is any water in the mix-

Whatever solvent you desire, I am fairly certain it can be kept from drying or a reasonable period. Unless it is especially volatile.

analog what is that? · Jan 17, 2012

I don't like being around open containers of organic solvents, volotile or non-volatile, they are all deadly....

Allowed to mix freely with air neither is any good, the famous 20% mixtuire comes to mind.............

Hexavalent · Jan 17, 2012

Ta-dah! I found the article, or at least appears to be the correct one.

Formulae and such to follow - stay tuned

nworth · Jan 17, 2012

Photopolymers are generally high to very high contrast materials. They are available in both negative and direct positive formulations. They are, indeed, interesting. You can dye some of them either before or after exposure and development, which introduces some interesting possibilities along the line of carbon printing. A very nice and easy to use variation is photopolymer printing plates and film. These are used extensively by artists to create either intaglio or relief prints. You can use an aquatint screen pre-exposure to get quite reasonable continuous tone images. I saw an excellent set of work using this process last year at the Verve Gallery. There are several suppliers of these materials and several varieties and uses for them. One of the most popular with artists seems to be DuPont's ImagOn Ultra. Check suppliers for fine arts graphics materials for more information.

Hexavalent · Jan 17, 2012

For your photopolymer reading pleasure: Dead Link Removed from Sci Am, December 1969.

Photo Engineer · Jan 17, 2012

analog what is that? said:
This will not happen here. The data will not be forthcoming, since I discovered in another thread that the mere mention of a scanner, and other digital means of diplaying one's work here fired off threats of being dispelled to "dpug" whatever that is, and postings being censored/deleted.

Since I cannot do this with anything else than a scanner, it will not happen. There. SCANNER. Delete this.

I replied to you with a post about process solutions. It did not involve scanners or anything forbidden by APUG, but it skirted what EK might have approved.

Why not do it in spite of the critics and show you are a good sport.

I did.

PE

analog what is that? · Jan 17, 2012

Redundant now, look at the previous post. But what is tiresome is all the wannabe cops that do not take time to read the posts or think through what they apparently did not read - I'm not talking about you Ron!

This constant policing of anyone that MIGHT have another opinion slows down the thought process and takes the focus away from what is important.

The thing was actrually quoted out of context turned 180 degrees upside down, and the acted upon by one of the moderators that also was unable to think straight.

And raising hell because a scanner was mentioned seems VERY stupid,¨my whole objective all along was that I don't accept half solutions that yealds developed films that cannot be uysed in a darkroom, this means some sort of pre or post processing of color films processed to B&W, to have universally useable negatives, but - with a scanner this is not very important.

There I did it again, mentioned the S-word, so now have this thread mutilated and closed too....

OzJohn · Jan 17, 2012

analog what is that? said:
There I did it again, mentioned the S-word, so now have this thread mutilated and closed too....

Maintain the rage I say. Only today in another thread a member replied to a post of mine from a couple of months back re scanning Kodachrome slides using ICE software. Couple of naughty words in that sentence. Cheers OzJohn

keithwms · Jan 17, 2012

As I scan over this thread (and scanning in this manner is something that I do quite often and without apology), I feel compelled to use my digits to tap my encouragement into the keyboard. I hope that my digital encouragement brings you some humor.

Hologram · Jan 18, 2012

Hexavalent said:
For your photopolymer reading pleasure: Dead Link Removed from Sci Am, December 1969.

There are tons of systems derived from Oster's approach mentioned in the above article.

I assume something like the one here (http://river-valley.tv/pva-photopolymer-for-classroom-holography/) might be fine-tuned into something "photographic".

JBrunner · Jan 18, 2012

Thread closed by OP request.

Pictures and photopolymerization?

analog what is that?

keithwms

Ole

Moderator

analog what is that?

keithwms

analog what is that?

Hexavalent

nworth

Hexavalent

Photo Engineer

analog what is that?

OzJohn

keithwms

Hologram

JBrunner

Moderator

Pictures and photopolymerization?

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