Don't know nothin' 'bout no yahoo group.
Chuck Norcutt
Allen Coltrin wrote:
> There were several threads on the yahoo group. I believe Scott was a large
> part of those.
>
> Allen
>
> ----Original Message Follows----
> From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
> Reply-To: olympus@xxxxxxxxxx
> To: olympus@xxxxxxxxxx
> Subject: [OM] Re: Bellows
> Date: Mon, 05 Mar 2007 20:54:30 -0500
>
> A dual cable release would only be of value to you if the lens is on an
> OM body. One leg of the cable will release the OM's shutter and the
> other will close down the lens to shooting aperture. It's not of much
> use though with an OM lens and bellows on an E-330. With that sort of
> rig everything will be manual.
>
> Reversing the lens may be desirable when the distance to the subject is
> less than the distance to the sensor. It has to do with the way lenses
> are designed which expects the object distance from the front of the
> lens to be greater than the image distance behind the lens. In close-up
> photography these normal object/image distance relationships may get
> reversed... ergo reverse the lens to compensate unless it's a special
> macro lens to begin with.
>
> If you get serious about this stuff this is a book you should own:
> <http://www.amazon.com/John-Shaws-Closeups-Nature-Shaw/dp/0817440526/ref=pd_bbs_sr_1/103-3192476-2323027?ie=UTF8&s=books&qid=1173145846&sr=8-1>
> Shaw uses Nikon gear but the principles are the same and the gear is
> similar.
>
> Chuck Norcutt
>
> NSURIT@xxxxxxx wrote:
> >
> Without doing all your
> > homework for you, I would say the Olympus unit allows you to use a dual
> cable
> > release and also to reverse your lens on the bellows.
>
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