oskar_romeo
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B&W Reversal Success!
oskar_romeo replied to debeng's topic in The Wet Darkroom: Film, Paper & Chemistry
Do you actually re-expose twice? After 1st. development and after bleach clearing? tcdp -
Thank you for sharing your experince, Mr Marcus!! I might as well use the #15 Safelight to developing sheets by inspection doing reversal process with RA-4 paper. It might be usefeull in the B&W first development that should take no more than a 1.5 minutes, maybe less if I switch it on some 15 seconds after starting to develop. Thanks, Sir romeo
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Excellent! Some said it's 3 ISO; So I will stick to 6 Iso, since in a sunny day it's about 1 sec at f/11 to which my camera is set up!!
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I reckon that info is useful for enlarging prints but I want this Ilfospeed photo paper to use it as a negative! Thank you!!
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Hi everybody!! What Iso speed should I rate this photo paper? I will place it inside a 6x9 camera using a shutter release. Thanks!!:)
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Lester: What battery does the Olympus EC-2 take?
oskar_romeo replied to daniel_iggers's topic in Classic Manual Film Cameras
Is it still working fine the EC2 like this? :) -
I don't want to put your statement in doubt but, are you sure of this equation? Has this proved to be exact? As someone has referred (which BTW is completly right) anydrhous carbonate stops being anyhidrous for too long when box/package has been opened and exposed to ir since moisture reconverts it to bi-carbonate in some time, this makes difficult to be accurate when measuring chemicals which might eventually lead you to a undesired outcome. romeo
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- alternative developer
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B&W Reversal Success!
oskar_romeo replied to debeng's topic in The Wet Darkroom: Film, Paper & Chemistry
Yeah! It's sold in pool stores as 'Dry Acid' . I assume bleach is once used and then discarded, right? Very nice formula! I'm gonna try it soon! Thanks for sharing!! romeo -
Well, I live in a very humid port city, so in the end this takes me back to the beginning. I think i will just switch to Borax instead of the carbonate, or eventually buying any carbonate and adjusting the involved quantity. Thanks for the answer. romeo
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No, it´s not sold here! Thank you! romeo
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B&W Reversal Success!
oskar_romeo replied to debeng's topic in The Wet Darkroom: Film, Paper & Chemistry
Very nice! Is there an alternative for Sodium Bisulfate for the bleach? Would any of these do? : Sodium bisulfite, potasium phospahte , sodium phosphate+ citrate? Any? Cheers!!