Re: 220 film in 120 backs?

From: Brian Swale (bj_at_caverock.net.nz)
Date: 12/02/01


Hi Scott,

How do you propose to persuade the counter to count to 20 instead of 10?

Cheers, Brian

From: "Scott Gardner" <jantamrac@worldnet.att.net>
To: "Koni-Omega Mailing List" <koni-omega@snoopy.cmagic.com>
Subject: [KOML] 220 film in 120 backs?
Date sent: Sun, 2 Dec 2001 01:46:34 -0500
Send reply to: "Koni-Omega Mailing List" <koni-omega@snoopy.cmagic.com>

> While perusing Bob Monaghan's links for KOM, I discovered this one:
>
> http://bigcamera.com/rapid/ko&rostuff.htm
>
> to a page by Bob Hutchinson. The following excerpt indicates that 220 film
> can be used in a 120 back. Is this true?
>
> Thanks for your time and reply./Scott Gardner
>
>
> "Because 220 film does not have a paper backing and other cameras have to
> change the pressure plate setting to compensate for two different thickness'
> of film, many wrongly think that the Rapid must use two different magazines
> for the same purpose. During film advance with a Rapid back the first 1/8
> inch of handle or knob movement retracts the film pressure plate away from
> the film and film plane about 1/16" before the film moves. This avoids
> scratches on the film altogether. At the end of the cycle, the last 1/8 inch
> or so, the pressure plate presses the film back to the magazine film plane
> ready for exposure. No adjustments are necessary for different thickness' of
> film. One magazine for both 120 and 220 film backs."
>

----------------------------------------------------------
Brian Swale e-mail bj@caverock.net.nz
140 Panorama Road URL = http://www.caverock.net.nz/~bj/fern
Christchurch 8008



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