Re: [APML] tech pan revisited

[Chuck Vaughn <aa6g@aa6g.org>]

Scott,

Okay, I admit I didn't look at you example. That's not moisture. It 
looks like the film has been damaged. Are those lines scratches or a 
difference in emulsion density?

Chuck <aa6g@aa6g.org>

-----------------------

> Hmmm..........
>
> Logic.  If two cameras show the symptoms then it's unlikely to be 
> caused by
> the camera itself.
>             The lines are in the direction of film travel so it is 
> caused by
> either film movement or film processing.
>             The lines are not on film not rolled onto the take up reel 
> but
> are on film on the take up reel.  If the take up reel was causing it 
> they
> should only be on the first turn,                     after that the 
> film is
> on film.  Unless the cause is on the sprocket guide on both cameras.
>             Moisture, should cause the same effect on all the processed
> film.
>             It's on the film and not a scanning artifact.
>             Care was taken while unloading the camera and loading onto 
> the
> developing reel?
>
> Conclusion:  You've been PUNKED (G)
>
> Sorry Scott it remains a mystery.
>
> Jim/seds.org/mailman/listinfo/astro-photo
>

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