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Johnny Brian – 2 – 300FUJINON 1to1 Crop Johnny Brian – 3 – 300FUJINONScannerWindow Johnny Brian – 4 – 450NIKKOR 1to1 ScannerWindow Johnny Brian – 5 – 450NIKKOR ScannerWindow Johnny Brian – 1 – 2 4×5 slides in scanner overview Johnny Brian tweaked in LR
Judy-Mitschelen_Full-moon-tonight Judy-Mitschelen_I-have-you-now,-my-pretty Judy-Mitschelen_Mirror,-mirror,-on-the-wall Judy-Mitschelen_Boil,-boil,-toil-and-trouble Judy-Mitschelen_Emulating-Narcissus

Johnny Brian 1 Johnny Brian 2 Johnny Brian 3 Johnny Brian 4 Johnny Brian 5 Johnny Brian 6 Johnny Brian 7 Johnny Brian 8 Bonus Points
Johnny Brian johnnybrian.com
Today I’ve been binary encoding my film holders — this involves cutting notches into the flap at the end of the holder so that when the film is exposed, the notches create a unique pattern on the film so I can identify the film holder used for each exposed sheet of film. I chose to use binary numbers — binary is perfect as its all 1 or 0 — so notch present or absent — and I can encode up to 63 holders with just 6 notches. Some who are astute with math might say, 2^6 = 64, but I did not want to use number 000000, as it would be indicated by no notches. If I ever go over 63 (unlikely, that’s a lot of film holders) I will only need to add a seventh notch, and then i can encode up to 127 holders. I have ruler guide that I made — its important to have the notches in a defined location so they can later be read. The notches start 1 inch from the right edge and are spaced at 1/4 inch intervals.
One issue with encoding film holders is that they need to be empty, but I have been shooting some 4×5 lately, so some of the holders are empty. I have about 6 or 8 more sheet of film to develops, so I will have some more empty holders soon. So far, I have over half of my holders marked.
Legend for images
- Guide that I use to position the notches.
- Guide layout.
- Guide in place against right side to place notches.
- New notches — its important not to damage the outside of the flap as that is what forms the light seal.
- It always good to have a vetting system when you are about to make irreversible changes.
- How to read notches.
- Reading notches from film.
- EXTRA BONUS POINTS — What in which number film holder was this sheet exposed?