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-   -   Developing Sheet Film in a Paterson Orbital Processor (http://www.film-and-darkroom-user.org.uk/forum/showthread.php?t=3926)

Trevor Crone 4th March 2011 11:45 AM

Quote:

Originally Posted by Neil Smith (Post 48367)
Trevor I processed in the Paterson Orbital using your method for the final tests for the Fomapan, worked a treat, processing was perfect with the fins attached. I used the self adhesive clear plastic domes you suggested on the base, brilliant.
So simple and economical it was easy using your method, thanks:)


Neil

That's great news Neil. But sorry to read that the Fomapan 400 still has issues.

Gavin 14th July 2012 12:43 PM

Great article Trevor. Regarding the plastic domes, are they glass like or soft in texture?

Trevor Crone 15th July 2012 10:55 AM

Quote:

Originally Posted by Gavin (Post 70588)
Great article Trevor. Regarding the plastic domes, are they glass like or soft in texture?

Thanks Gavin, hope you found it of some use?

The plastic domes are hard but very smooth.

Dave miller 15th July 2012 11:57 AM

Quote:

Originally Posted by Trevor Crone (Post 70614)
Thanks Gavin, hope you found it of some use?

The plastic domes are hard but very smooth.

could try these draw stops.

Gavin 15th July 2012 12:10 PM

Of great use Trevor. I received an orbital in the post this week and was surprised to find that it was new/unused, so I want to get this right first time. I tried local art shops but as yet have found nothing although there's plenty of time to get it right.

I'll take a look at those door stops Dave but I was imagining something harder, probably because I had it in my mind that they were glass at first sight.

Michael 15th July 2012 10:59 PM

The smaller the better, Gavin, as they're hemispherical. Hardware shops should have them. Just ask for wee plastic domes that protect doors from hitting cupboards :) . And they're self-adhesive.

I have become a disciple of Trevor's since starting to use an Orbital for 7x5 processing.

Gavin 16th July 2012 10:03 AM

Thanks Michael. I've ordered the dome shaped door stops as the ones I have are not shaped the same and would probably be more restrictive to the fluids.

Dave miller 16th July 2012 10:25 AM

Quote:

Originally Posted by Gavin (Post 70673)
Thanks Michael. I've ordered the dome shaped door stops as the ones I have are not shaped the same and would probably be more restrictive to the fluids.

I don't think that their shape should matter as they are there simply as spacers to prevent suction making removal of the medium difficult. Because they are on the non-emulsion side they have no effect on the developing process but do allow washing water to circulate under sheet film.

numnutz 16th July 2012 12:56 PM

I use a Patterson Orbital - I found I have to remove the fins as some negatives suffered from bromide drag in sky areas (Foma and Rollie IR). I used little drops of fish tank silicon sealant to keep the film from the base. I also use the motorised base as I feel this give a more uniform (although continuous) agitation. At the moment I am using 200ml of solution(s) although I did start by using 100ml. Any one using more or less? Mostly I develop 4 sheets of 5 x 4 film, only occasionally 10 x 8.

nn :)

Steve Smith 16th July 2012 01:09 PM

I haven't removed the fins on mine but I think I will. And I scored the base with a Stanley blade on mine to prevent the film from sticking.


Steve.


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