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> Loading Jobo 2509N Reels |
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I will just make some notes about loading the Jobo 2509(N) reels for LF film. I will not cover anything else about using these reels as it is all otherwise pretty straightforward. I do not use the special loader or other aids. It is undoubtedly a bit of a fiddle at first but you soon get the...
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#10
By
kjelgaard
on
17th August 2011, 03:55 PM
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Looks like I might be buying a CPE-2 soon and will be consulting your guide which looks very helpful, thank you for putting it together.
I can't find the 2509N reels anywhere. I've looked all over. I will probably need to settle for the 2509 without the clips. Should I look harder or will I get on okay without them? |
#11
By
Bob
on
19th August 2011, 08:09 PM
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Quote:
Good luck! |
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#12
By
Ed Moss
on
19th August 2011, 09:10 PM
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Quote:
http://www.novadarkroom.com/product/...nk_System.html |
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#13
By
Rob Hale
on
22nd August 2013, 12:13 AM
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Semi Stand question
Hi Bob,
Just found this article on loading Jobo 4x5 reels; nicely done. I note that you do some semi stand developing with this reel and drum. I am in the processes of exploring this semi stand development and will be using this drum and reel combination. Couple of questions, if I may. I am thinking that to get even development I will be restricted to loading up to 2 sheets in the outside slots so that there is adequate chemistry to migrate to the emulsion, do you load more than 2 sheets ? How long is your development time ? What time do you use between inversions ? Cheers Rob |
#14
By
mpirie
on
22nd August 2013, 06:05 AM
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I've been using 2509n reels for years loading them the same way as Bob mentions.
I've never had any problems with uneven development but make sure i use the 2 plastic dividers which help break up the flow over the emulsion. I more often than not process 6 sheets at a time. Mike |
#16
By
Bob
on
22nd August 2013, 11:55 AM
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Quote:
With Rodinal clone (eg Adonal) 1:100 total time = 1 hr. 10 secs inversion at the start to get things started, 5 gentle inversions at 30 mins. I've always loaded six sheets as there is enough stock developer for this amount of film but if you are not using a Rodinal clone then check how much stock you need per roll of film (= same as four 5x4 sheets). Good luck, Bob. |
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#17
By
Rob Hale
on
22nd August 2013, 11:03 PM
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Semi Stand developing
Hi Bob,
Thanks. Exactly what I need to know. I will be using Rodinal original which I use at 3.5 mls per sheet and about 1350 to 1500 mls water for a drum fill. I am intrigued that you use a much lower rate of mix, presumably "Adonal" is a lot more concentrated than the original Rodinal ! ! Perhaps I should consider a lighter mix, I will test both. Cheers Rob |
#18
By
Bob
on
24th August 2013, 12:58 AM
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Quote:
I have read that 4ml per film (or 4 x 5"x4") is all that's really required, but that's just what I've read - never tried it at 1:200... Good luck, Bob. |
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