View Full Version : 4x10 processing and Jobo drums
felix5616
13-Feb-2011, 17:03
i am thinking about trying 4x10 format. Can 4x10 film be processed in a jobo 3010 or 3005 drum?
Keith Pitman
13-Feb-2011, 17:19
I use the 3005. Doubt if the film would fit in a 3010.
Lachlan 717
13-Feb-2011, 17:24
3005.
You can probably also do them in a 2-Series drum, but not having any 4x10 lying around, I cannot test how well these fit. You'll need to use the internal ribs to hold the film in place.
SocalAstro
13-Feb-2011, 18:22
I use the 3005. Doubt if the film would fit in a 3010.
I use the 3005. They will NOT fit in the 3010 - I have tried :-)
-Leon
felix5616
14-Feb-2011, 10:55
Does the 3005 drum need to be modified? How are the sheets oriented in the dorm?
SocalAstro
14-Feb-2011, 11:11
Does the 3005 drum need to be modified? How are the sheets oriented in the dorm?
No modification needed to the 3005. I usually develop 1 sheet per hole (5 total) at a time. I insert each sheet the logn way, the 10" length parallel to the axis of the tank if that makes sense.
-Leon
eric black
14-Feb-2011, 11:40
I created a plastic insert for each hole in the 3005 that indexes to the grooves that run down each side of the hole. Using this I develop ten 4x10 sheets at a time. The plastic insert design took some fiddling and several prototypes due to the bowed outward shape of the hole. When I had the shape correct, I made 4 more duplicates and then I cut away as much material from the center of the custom divider as I could so flow of chemicals wasnt impeded during developing. The system has been working great for several hundred sheets so far with no problems.
Daniel Stone
14-Feb-2011, 15:07
Eric,
Would it be possible if you could show us a picture of what you're referring too? I've re-read your description 4x's now, but I'm still scratching my head :cool:.
thanks
-Dan
felix5616
14-Feb-2011, 15:52
Thanks for the help
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