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Newbie question: Is Jobo the way to go for large format negs?



 
 
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  #121  
Old August 10th 04, 03:27 AM
Udie Lafing
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Default Newbie question: Is Jobo the way to go for large format negs?

In article ,
Leigh Marrin/KM6JE wrote:

Did you use the conventional agitation methods?


Knowing him so well he probably stood on his head and
did jumping jacks while grasping the hangers by his toes.
  #122  
Old August 10th 04, 09:58 AM
John McGraw
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Default Newbie question: Is Jobo the way to go for large format negs?

(Laura Halliday) wrote in message . com...
Marco Milazzo wrote in message . ..
I want to do 4 X 5 and 8 X 10 Large negs. I don't have a darkroom
with running water, but I do have a (not completely dark) bathroom. I
assume I can load Jobo tanks in the dark and do all other processing
in the light -- correct?

Any advantages or disadvantages of Jobo over tray-development?

Is there a better way to go than Jobo?


Jobo works well, but it's not cheap. You can buy
an awful lot of black plastic sheeting and duct tape
(how I made my darkroom dark) for the cost of a
processor - or even many of the drums.

I just did a batch of Provia 100 4x5 in my CPE-2 and
2521 drum. I got the processor for a decent price on
EBay, but paid quite a bit of money for drums to go
with it.

If your bathroom isn't completely dark during the day,
try it at night - it's a lot easier to get really dark
at night. This is how I do my black and white sheet
film, the old-fashioned way, in trays. It just takes
practice not to scratch the sheets when you agitate
them.

Laura Halliday VE7LDH "Que les nuages soient notre
Grid: CN89mg pied a terre..."
ICBM: 49 16.05 N 122 56.92 W - Hospital/Shafte


The trick to tray development is finding the correct brand / style
rubber gloves, that will grip the film. Some work some don't. IIRC
it's the ones w/ medium bumples, about like a medium sand paper. Not
super fine, not real course. Most are too course. Buy different gloves
& test in developer diluted to working strength in the daylight w/ 4
or so sheets of old film. Also practice this way. Unless U like to
live dangerously, always practice w/ @ least as many sheets as U are
going to process. Don't skimp on the developer.
Using bare fingers doesn't work as well. Emery board hang nails &
nails first. Use both hands in the "soup" (as we used to call it in
the good ol' days) to be assured of turning all finger tips & nails
evenly brown-black. This saves one the expense of weekly visits to the
nail saloon for the fashionable black polish look. Using both hands
has the further advantage of doubling the amount of toxic chemicals
absorbed. Don't laugh; I didn't use gloves in my youth. Maybe
that's... Maybe that's... Maybe that's... Maybe that's why I'm so
dingy today. John
  #123  
Old August 10th 04, 09:58 AM
John McGraw
external usenet poster
 
Posts: n/a
Default

(Laura Halliday) wrote in message . com...
Marco Milazzo wrote in message . ..
I want to do 4 X 5 and 8 X 10 Large negs. I don't have a darkroom
with running water, but I do have a (not completely dark) bathroom. I
assume I can load Jobo tanks in the dark and do all other processing
in the light -- correct?

Any advantages or disadvantages of Jobo over tray-development?

Is there a better way to go than Jobo?


Jobo works well, but it's not cheap. You can buy
an awful lot of black plastic sheeting and duct tape
(how I made my darkroom dark) for the cost of a
processor - or even many of the drums.

I just did a batch of Provia 100 4x5 in my CPE-2 and
2521 drum. I got the processor for a decent price on
EBay, but paid quite a bit of money for drums to go
with it.

If your bathroom isn't completely dark during the day,
try it at night - it's a lot easier to get really dark
at night. This is how I do my black and white sheet
film, the old-fashioned way, in trays. It just takes
practice not to scratch the sheets when you agitate
them.

Laura Halliday VE7LDH "Que les nuages soient notre
Grid: CN89mg pied a terre..."
ICBM: 49 16.05 N 122 56.92 W - Hospital/Shafte


The trick to tray development is finding the correct brand / style
rubber gloves, that will grip the film. Some work some don't. IIRC
it's the ones w/ medium bumples, about like a medium sand paper. Not
super fine, not real course. Most are too course. Buy different gloves
& test in developer diluted to working strength in the daylight w/ 4
or so sheets of old film. Also practice this way. Unless U like to
live dangerously, always practice w/ @ least as many sheets as U are
going to process. Don't skimp on the developer.
Using bare fingers doesn't work as well. Emery board hang nails &
nails first. Use both hands in the "soup" (as we used to call it in
the good ol' days) to be assured of turning all finger tips & nails
evenly brown-black. This saves one the expense of weekly visits to the
nail saloon for the fashionable black polish look. Using both hands
has the further advantage of doubling the amount of toxic chemicals
absorbed. Don't laugh; I didn't use gloves in my youth. Maybe
that's... Maybe that's... Maybe that's... Maybe that's why I'm so
dingy today. John
 




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