The least expensive extra support is made by Slik for its U212 Deluxe
tripod. It's a simple square-section telescoping aluminum tube that fits
into a shoe on the tripod leg. The other end fits into the lens' tripod
socket. Pop Photo used this rig in its tests a year or so ago to evaluate
the influences of mirror lockup, etc., on resolution. (As I recall the
device improved many photos, but not all - apparently due to harmonic
vibrations induced by varying shutter speeds.)
Bogen/Manfrotto also has a similiar support that's considerably more
expensive.
I've rigged a monopod beneath my only long lens that has a tripod socket for
use with a teleconverter. Did it help? I dunno. It was steady. But the
lens performed so poorly and vignetted so badly with the doubler I couldn't
tell anything from the test. I'll try it again without the doubler.
-----------
Lex Jenkins
----------------------------------------------------------------------
Hoist my petard! Yoikes and away!! - Ur Amblet, 'The Very Bad Quarto'
======================================================================
From: Andrew Fildes <afildes@xxxxxxxxxxxxxx>
Date: Sat, 30 Sep 2000 10:36:11 +1100
I'm trying out a 300/5.6 Tamron SP with dedicated doubler...Unfortunately,
the combination (600/11) had no tripod mount - it's not too
heavy but is looooong - was there any kind of support available?
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