Re: [APML] Black Negs a new developement

[Glenn Graham <glenng@synopsys.com>]

I didn't get in on the beginning of this message thread and its been a LONG time since I
used tech-pan but isn't TP sensitive to the red darkroom lights that are often used while
working with b&w film? Could you have had one on at any point while the film was exposed?

-Glenn

Matt BenDaniel wrote:

> Brian Sledz wrote:
> > Yep the negs are black out to the sprockets...So I doubt the 6x7 Pentax is leaking.
>
> Brian,
>
> Does any 120 or 220 film have sprocket holes!? <g>
>
> Have you developed good daytime pix on any of these problematic rolls?
>
> Do you use a particular developing tank just for hTP?  That tank could
> have a light leak.
>
> If the entire roll is black along its entire length, then it could be a
> Lumicon handling error (or severe irradiation by delivery service),
> especially if all of the problems happened to rolls from the same
> batch.
>
> Matt
>
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