Help me get sharper 400mm long exposure shots!

Started Mar 27, 2013 | Questions thread
Contributing MemberPosts: 950Gear list
a few suggestions
In reply to Quintin Lake, Mar 27, 2013

Quintin Lake wrote:

I've got a long lens conundrum and wondered if anyone might be able to help.

If you have any technique or gear suggestions i'd be most grateful!
These are the techniques and gear I've using for my 400mm shots:
-Checked lens foot tight -Checked all ball head knobs tight -Checked all tripod adjustments tight -Gitzo GT2541 with RRS BH-40 -RRS plate to lens -Using mirror lockup -Using cable release -100 ISO for max detail in landscapes -f8-14 -Canon 5DII -Taking multiple frames with a few seconds between -Hanging bag from centre hook

turn off IS when using tripod?
don't extend center column?
don't extend legs to maximum?

 confyushis's gear list:confyushis's gear list
Canon EOS 550D Canon EOS 100D Canon EF-S 15-85mm f/3.5-5.6 IS USM Sigma 30mm F1.4 EX DC HSM Sigma 8-16mm F4.5-5.6 DC HSM +3 more
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