A Support for Long Lenses
Users of the 250mm Jupiter or other long and heavy lenses
that do not have a tripod socket (or have it in the wrong place for the
centre of gravity when the camera is added to it) may be interested in
the Manfrotto Telephoto Lens Support (Model No 293). (Naturally,
this accessory requires you to have a sturdy tripod to put it onto.)
This Lens Support is a sturdy and well-engineered item. It incorporates the Manfrotto Tilt Head (Article 234RC). The quick-release plate (QR plate) from this head is screwed into the tripod socket on the camera, the desired lens is mounted on the camera, and the QR plate is clipped onto the Tilt Head, with the lens resting on a V-shaped support at the other end of the bracket. The Tilt Head enables you to raise or lower the front of the lens as required, so that it rests safely on the V-shaped support.
The bracket length is adjustable from 170 to 280mm, to enable it to be used with a wide range of lenses. Once you have got the bracket to the right length, the lens is secured in place by a Velcro strap. In choosing the best length for the bracket, it is necessary to bear in mind that the lens itself will change in length as it is focussed, so further adjustment may then be necessary. Also, it is desirable that the V-shaped support and the Velcro strap do not impede the operation of parts that you need to rotate: the aperture and focus rings.
I did encounter one problem when mounting this Lens Support
onto my Pentacon Six: the QR Plate Release Lever fouled the left-hand spool
knob on the base of the camera. For a moment it looked as if the
Pentacon Six and this support were mutually incompatible, but by turning
the Tilt Head about 45° to the left (anti-clockwise, when looking from
above), the problem was easily solved.
Once everything is set up (which of course takes longer
than just using a tripod on its own), you have a very sturdy support that
avoids any strain on the camera lens mount, the tripod or the lens, and
enables you to shoot comfortably, also using very slow speeds if required.
To return to the section on the Jupiter lens, click here.
To return to the section on tripods, click here.
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© TRA July 2010