Splotches on film with DIY ECN2

Splotches on film with DIY ECN2

I've recently acquired all necessary components to make ECN2 dev, bleach and fixer. I followed the official recipe and it looks like it's working fine! I checked the pH and it seems well adjusted. I use the inversion technique and a Patterson tank.

Unfortunately I see splotches on the negatives, even in areas where there's no exposure (mostly visible at the end and start of a roll). On the images they aren't really visible, except for quite dark scenes.

My first thought was that they weren't bleached or fixed correctly, but I rebleached and refixed them without much change.

My second idea was not thoroughly mixed developer, but I was very careful in the second batch and mixed the contents very diligently.

Does anyone have an idea? I'm puzzled.

u/QPZZ — 3 days ago
▲ 8 r/ElectronicsRepair+1 crossposts

Mitsubishi Diamondtron 2020u not turning on

Hey guys, my Diamondtron stopped working all of a sudden. It slightly clicks repeatedly when I push the power button but there is no "klonk" that turns on the tube.

I assume the issue is with the PSU, but I cannot see any obvious fault. The capacitors look fine to me and not bulged.

Any idea?

u/QPZZ — 13 days ago
▲ 28 r/analog

Barcelona on poorly stored 20y expired Ektachrome 64 [Bronica ETRS, 75mm f/2.8]

Worked a bit on how to make the best out of a stack of Ektachrome 64 I picked up for cheap. It's a bit involved but I'm happy to share my findings.

u/QPZZ — 2 months ago

Help diagnosing A1 no shutter

I have an A1 that I got as part of a bundle where the shutter won't fire. The battery health light blinks correctly when pressing the shutter halfway and triggering the shutter magnet manually also triggers the shutter. I guess that means it's not a mechanical problem.

I've already:

- measured battery voltage

- manually triggered the shutter magnet with 2V externally

- cleaned the shutter button contacts

The LEDs in the viewfinder also work fine.

Could it be the capacitor on the other side of the shutter magnet PCB? It looks like a pain to replace, so I figured i'd ask for some more things to try! Any ideas?

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u/QPZZ — 3 months ago