At 23:32 12/14/01, Tom Trottier wrote:
But it's easier to focus by moving the lens & camera together using the
bellows rail.
Tom
This works well, but the bellows rail seems a bit heavy for field use if it
must be carried very far. Depends on how far and how much you're willing
to carry. I use a pair of sliding plates set at right angles for fine
tuning the camera position. The sliding part on the top one attaches to
the camera body just like a QR plate.
Bogen (Manfrotto) makes two models of them:
geared: Bogen 3419 (Manfrotto 454)
clamping: Bogen 3273 (Manfrotto 357)
One of mine is the 3273, and the other is similar but made by a different
company out of extruded and machined aluminum. Although the bottom half of
the sliding plates are threaded for use directly on top of a tripod leg
set, a QR plate with 3/8" screw can be attached to it. This allows faster
mounting and removal of the sliding plates from the tripod. The tripod
head should also be a pan head large enough to provide good support. I
don't a ball head would work well doing this.
If the camera is tilted, ensure you have a good grip on it before relasing
a sliding plate clamp. Both of mine will not slide completely off, but if
you're very close to the subject, it can slide into it. Not good if it's
made of something that can ding the front of the lens.
-- John
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