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Something strange happening
Jul 28, 2013 16:36:13 #
With camera on tripod and I focus on a certain spot and continue to hold the shutter release the focus spot drifts down, it's a 100x400L lens,I put a level on the lens and it is not moving and can hear the lens(or something) making noise like it's still trying to focus,Is the normal,Also using a remote shutter release cord,I hope ya'll can understand all of this.7D.
Jul 28, 2013 16:38:31 #
Jul 28, 2013 16:41:18 #
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Jul 28, 2013 16:45:03 #
guts wrote:
With camera on tripod and I focus on a certain spot and continue to hold the shutter release the focus spot drifts down, it's a 100x400L lens,I put a level on the lens and it is not moving and can hear the lens(or something) making noise like it's still trying to focus,Is the normal,Also using a remote shutter release cord,I hope ya'll can understand all of this.7D.
So it's the focus spot in the viewfinder that is drifting down? Is it a steady drop from center to bottom?
Jul 28, 2013 16:48:08 #
speters wrote:
Try again, but with the IS turned off.
That worked thank you much,I thought I was going crazy(ier)
Jul 28, 2013 16:48:34 #
Jul 28, 2013 17:00:31 #
jerryc41 wrote:
So it's the focus spot in the viewfinder that is drifting down? Is it a steady drop from center to bottom?
Seems like it drifted down below the bottom and solved the problem for the guy finally!!!
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Jul 28, 2013 17:07:03 #
JPL wrote:
Seems like it drifted down below the bottom and solved the problem for the guy finally!!!
I knew about turning off IS, but I never heard of the spot drifting down.
Jul 28, 2013 17:24:55 #
jerryc41 wrote:
I knew about turning off IS, but I never heard of the spot drifting down.
Neither have I Jerry. I think he had it on all points and it selected a lower point.
Jul 28, 2013 17:57:01 #
Joe F.N. wrote:
Neither have I Jerry. I think he had it on all points and it selected a lower point.
Had it set to one shot spot metering.
Jul 28, 2013 18:18:14 #
Jul 29, 2013 18:24:06 #
Joe F.N. wrote:
Neither have I Jerry. I think he had it on all points and it selected a lower point.
I think it was just an "un-sturdy" viewfinder (created by the IS), that made it look like the focus spots were moving. That also explains the sound he was hearing.
Aug 3, 2013 06:09:31 #
Dun1
Loc: Atlanta, GA
Turn off IS if you mount it on a tripod, or a monopod, the noise you hear may be the IS trying to obtain focus.
Check the focus distance settings on your 100-400 Lens
Check the focus distance settings on your 100-400 Lens
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