Re: Film Development

I believe richard already said that he was referring to the area of the
exposed image, because it is the only part that exhausts developer. The
original question related to how much developer would be used in the
development process. Yes. there may be 47880mm^2 of surface area (actually
less, because of the sprocket holes), but only 31104mm^2 are exposed and use
up the developer.

John
http://www.enteric.org/

----- Original Message -----
From: "Richard M. Koolish" <koolish@bbn.com>
To: <pinhole-discussion@pinhole.com>
Sent: Wednesday, April 17, 2002 2:02 PM
Subject: Re: [pinhole-discussion] Film Development

> > neither of us are right. 24x36x36 =31,104mm2
> > 8"(x2.5)x 10"(2.5) = 50,000 mm2
> > Richard Heather
>
>
> The film is 35 mm wide not 24 mm, and the frame spacing is
> 38 mm not 36.
>
> 35 x 38 x 36 = 47880
>
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Received on Wed Apr 17 21:17:00 2002