The Pentax 6x7 -- a medium format camera designed like a huge 35mm slr
-- has a focal plane shutter but could be fitted with a 90mm leaf
shutter lens (for daylight fill-flash). The 90mm leaf shutter lens
requires that the fp shutter be set to 1/8 sec. Using it was a pain:
wind the film/fp shutter, then cock the leaf shutter on the lens
separately. No interlocks or fail-safes, a classic kludge if ever there
was. But it worked.
Vaughan
--
> Date: Thu, 29 Nov 2001 16:36:12 -0500
> From: "Skip Williams" <skipwilliamsom@xxxxxxxxxxx>
> Subject: Re: [OM] OM --> Hassy adapter?
>
> Hassleblads have an internal shutter behind the reflex mirror that folds
> open before the leaf shutter is opened.
>
> My understanding of the sequence:
> - - leaf shutter closes,
> - - lens auto-diaphram closes,
> - - viewing mirror swings up,
> - - in-body shutter opens,
> - - leaf shutter exposes film,
> - - process operates in reverse to resume viewing.
>
> I'd be surprised if someone can rig up something to use an OM body/leaf
> shutter in some sort of pseudo-automatic method. But I've been surprised
> before?
>
> Skip
>
>
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