Is the agitation totally via the agitation stick without any inversions? If so, I would think you need to add more random movement to the agitation. It could be directional effects from the developer waste products stratifying in the tank...
It's on the negs and I'm scanning with my Sony A7 and macro lens. Haven't had scanning artifacts yet with this method. No glass surfaces involved as the negs are floating in a holder about ~2" above a light source.Forget that last comment; I'll bet its scanning artifacts...
Check the negs with a loupe.
Are the two opposing direction streak shots on the same roll? Grasping at straws here...
Two ideas. First, artifacts or residue from chemical carryover between baths, or chemicals that are not full strength for whatever reason (exhaustion, carryover). Do you use a rinse between baths? Can you describe your pouring regimen? Exactly how fresh are the chemicals for the images shown?
Second is a pouring artifact from developer streaking down the film as it is poured in the tank. How is the developer poured into the tank? There are ways to control the flow of liquid smoothly into the tank.
Do you use a pre-wet bath?
The instructions for the Paterson tanks state that the agitation stick should be used, at most, for the first 30 seconds of any process.
Interesting! Could this be an issue that occurs while chemicals are still being poured? I'm pretty quick to get the initial 30s of agitation going with the agitation stick. Also, this is lack of agitation in what step? The developer or blix?These are minis density marks on the negative, I have seen this issue in my own work ant that of others... Lack of Agitation in the first 15-20 seconds... We invert and twist when these things come up even on Jobo, Happens mostly in flat areas of Image, you will not see them in complex areas of an image, and this actually is a bigger problem than most people think.
BothInteresting! Could this be an issue that occurs while chemicals are still being poured? I'm pretty quick to get the initial 30s of agitation going with the agitation stick. Also, this is lack of agitation in what step? The developer or blix?
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