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Re: Was: [OM] Digital Camera that takes OM lenses (READ!)Isnow:Sync

Subject: Re: Was: [OM] Digital Camera that takes OM lenses (READ!)Isnow:Sync speed vs. fastest speed
From: Chris Barker <imagopus@xxxxxxxxxxxxxxxx>
Date: Sun, 25 Nov 2001 06:20:51 +0000
Cc: "C.H.Ling" <chling@xxxxxxxxxxxx>
My Bronica RF 645 has an effective shutter speed of 1/750th (the blurb says) at the smallest aperture of the lens. The speed increases from 1/500th as the aperture close from fully open when in Auto or Programme. I don't know how that squares up to Les' observation...

Oh, and by the way (OT, for anyone who is interested) I now have the 135mm lens for the camera.

Chris

At 10:45 +0800 25/11/01, C.H.Ling wrote:
----- Original Message -----
From: <ll.clark@xxxxxxxxxxx>


 >Leaf shutters are effectively limited to 1/500th of a second. So I was
 >told. For this reason and also the difference in exposure with the
 >leafs covering the film as they open.

 ...leading to an *effective* shutter speed of 1/350 of a second, when
 the shutter is in first-class condition. It goes downhill -- albeit
 slowly -- after that as it ages and the lubricants gum up. May take
 years, though.

Could be, but the three Bronica SQ lenses I owned up to last year was very
accurate at 1/2 stop over at 1/500s (~1/350?) even they have been used and
storage for over 20 years.

C.H.Ling


--
<|_:-)_|>

C M I Barker
Cambridgeshire, England.

+44 (0)7092 251126
mailto:imagopus@xxxxxxxxxxxxxxxx
... a nascent photo library.

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