Quote:
Originally Posted by Weebl
Been there done that.
There is nothing wrong with either item, just the combination under certain specific conditions. I'm using at least 1/1200th on a tripod with cable release too.
Probably caused by more glass in the optical path.
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It's not the glass. Really.
There must be some technique issue. Even on the tripod, if you've left the IS on (which I do most of the time) you have to make certain that the IS has spooled up before depressing the shutter the rest of the way down. If you use back-button AF, then IS may not spool up when you hit the release.
If it were the glass, then you'd see it both close and far.
Here's a hand held, 1,000mm shot taken at 1/4 to 1/2 mile. You can see atmospheric distortion in it if you pixel-peep. That's unavoidable, but not due to the glass. I think you're either seeing that, or your super-tele technique is not up to speed yet. (It took me over a year to get really consistent).
Wake Setter! Just what we need... by
dcstep, on Flickr
A few minutes later I took this shot with the same set up (blew out the reds trying to get the blacks full range):
Brrrrreee. by
dcstep, on Flickr