Jobo 4x5 film tanks

Nick Zentena · Jun 1, 2007

Should come with a new reel. If not the package has been tempered with.

The film will stay in place without them. The older reel didn't use them at all.

GeorgesGiralt · Jun 1, 2007

Nick,
I own old 2509 and brand new 2509N. The locking of the film is made with the inserts on the 2509N and it is built in with the plain old 2509. The reel lock makes loading a bit more difficult because film has to pass above the lock.
Frankly, it's not a big deal.
I use the 2509N without the inserts and the film get out rarely, and not more than a couple of centimeters, causing no harm yet.

hka · Jun 3, 2007

The inserts are not only made to hold the film on his place but merely for a better flow of the liquids to avoid striking or uneven development.

Shmoo · Jun 3, 2007

Paul Sorensen said:
...if you want, you can easily do hand rotating in a water bath to use much less chemistry than inversion. I just used a dish pan or something similar and floated the tank in tempered water. I then rotated it continuously by hand in the water. I got great results, much better than I had gotten with a standard motor base like a beseler or unicolor. With constant rotation, you only need a very small amount of chemistry.

That's brilliant...and simple. Thanks for that idea.

david b · Jun 18, 2007

Anyone have problems with the reel scratching the film?

I've been using Efke 100 and the reel is leaving marks on the film. Actually it's scratching the emulsion.

Any thoughts?

Nick Zentena · Jun 19, 2007

The edges? Or the actual image area? Shouldn't be touching the image area.

david b · Jun 19, 2007

It's slightly into the image area.

The efke film I guess is so soft that the emulsion rubs off. The Fuji film did not.

Nick Zentena · Jun 19, 2007

I've only used Efke in 5x7 with print drums. It never gave me any problems.

Jobo 4x5 film tanks

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