Hi Andrew:
Check out this site http://www.reallyrightstuff.com/ . A camera plate might
work for you, if you have a quick release spare you could mount one on each
side of the plate.
Gord
----- Original Message -----
From: "Andrew L Wendelborn" <andrew@xxxxxxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Friday, January 16, 2004 7:35 PM
Subject: [OM] Vertical format and heavy lenses -- the Manfrotto solution
>
>
> This might be well known to many, but thought I'd share it anyway.
>
>
> I've been frustrated trying to take vertical format shots with the
300/4.5
> tripod mounted. I rotate the tripod head from horizontal to vertical
> format, which is easily done, but the centre of gravity shifts and things
> get off balance. More annoying still is that the camera slips on the
> screw. The camera/lens can of course be rotated in the lens tripod ring,
but
> that is a PITA to do quickly and accurately.
>
> I also use a focussing rail + macro lens a fair bit -- same problem.
>
> The tripod is a Manfrotto 190 PRO B with an 029 head (3-way, spirit
levels).
> Hex plate. Very nice to use, mostly.
>
> The tripod head rotates to the left, so in vertical format the weight of
> the lens encourages an anti-clockwise rotation of the camera/lens unit on
> the tripod screw, tending to loosen the tripod fitting. The head won't
> rotate to the right, which would give the camera a clockwise rotational
> tendency, thus tightening rather than loosening on the tripod screw.
> Annoying.
>
> Overtightening the tripod screw is not a good solution, so I just
> kept an eye out over time for something that might help.
>
> Looking through the Manfrotto catalogue a couple of weeks ago, I spied an
> elbow bracket (cat no 340) comprising a hex mounting plate as usual, with
> another hex plate attached at right angles to allow quick and easy
> switching to vertical format. This can be used so that the unit mounted
> on it moves clockwise under gravity, so the camera doesn't slip on the
screw.
> There is also an anti-slip device that can be positioned to restrain
> a camera from rotating.
>
> The re-positioning also keeps the centre of gravity over the tripod
> head, and doesn't move the lens very much from its horizontal
> format position.
>
> At $A90, this thing isn't cheap, but I'm finding it to be very useful
> indeed -- one of the better little toys I've thrown money at.
>
>
> regards
> Andrew
>
>
>
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