I taught myself to use a LF camera with Type 55P/N film, to get immediate feedba ck on my mistakes. Never had any trouble with it back then, but now am using it again and running into 2 problems:
1. When pulling the envelope back out with the lever still on "L" (eg, to expose the film), the envelope sticks. If I still persist in pulling, there will be a "ding" in the metal at the end of the film, and I will get a blank sheet (presu mably from the film never having been properly engaged, and thus not exposed). This happens _a lot_, and I can only avoid it about half the time by flattening the metal edge on the envelope before insertion. Happened both on my old holder and on a brand new 545i! Polaroid tech support no help on this.
2. Negatives clear enough to see clearly, but some sticky residue remains on th e central 50% or so. Tried brand new sulfite, as I thought my clearing solution was exhausted, but still no dice. Polaroid recommended gently abrading this re sidue off the wet negative: bad advice! I'm an eye surgeon, and I still couldn 't get this stuff off without damaging the (notoriously soft) emulsion.
Have I just gotten a few bad batches of film, or what am I doing wrong? Funny t hat I used this film for quite some time and never encountered either of these p roblems before. Thanks for any suggestions.
Nathan Congdon
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