jwalk Posted November 8, 2008 Share Posted November 8, 2008 In other words, as I am shooting video with my 5D MKII will the image stabilizer be on the whole time or will it be off? I wrote Canon directly, they didn't answer. My guess is "off" because of the battery drain but I am hoping "on" because that could be very helpful especially at telephoto ranges. What do you think? Am I missing any info on this that has been posted somewhere already? Thanks! JW Link to comment Share on other sites More sharing options...
evan_goulet Posted November 8, 2008 Share Posted November 8, 2008 A quick Google of <a href="http://www.google.com/search?hl=en&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&hs=ELc&q=canon+5d+mkii+video+stabilization&btnG=Search">canon 5d mkii video stabilization</a> turned up a couple of articles that describe the stabilization system as being active during video mode. Notable hits #1 and #3. Link to comment Share on other sites More sharing options...
evan_goulet Posted November 8, 2008 Share Posted November 8, 2008 I forgot to update my previous post... In hit #1, it mentions that the noise from the IS motors can be picked up by the mic. So it looks like it might be a catch 22 type situation. Link to comment Share on other sites More sharing options...
scott_ferris Posted November 8, 2008 Share Posted November 8, 2008 Don't see why it shouldn't and you can always use an external mike to get around the noise pickup, anything but the roughest clips are going to need better microphones anyway. Scott. Link to comment Share on other sites More sharing options...
bobatkins Posted November 8, 2008 Share Posted November 8, 2008 I suspect that the battery drain due to IS will be small compared to that required for continuous "Live View" shooting. There's no technical reason why the IS shouldn't operate. It's a 100% self contained feedback system within the lens itself. It doesn't need any signals from the body to work. Link to comment Share on other sites More sharing options...
juans eye Posted November 8, 2008 Share Posted November 8, 2008 I think he fears that image stabilization may show up on video. Makes sense. I would hypothesize that it will show up as a floating jerky image. Or not. /bing Link to comment Share on other sites More sharing options...
HenryUK Posted November 9, 2008 Share Posted November 9, 2008 My understanding of IS is that the image jerks when the shutter button is half pressed as the voice coil actuators are energised and the IS lens group is brought into the neutral position. Thereafter the accelerometers detect lens movement and a proportional correction is applied smoothly to the IS lens group. Try moving the camera around gently and notice that the image in the viewfinder remains steady and does not jerk around. The lens controls the IS. It doesn't know what the body is doing, so IS will be active during video shooting; and a good thing too. Henry Link to comment Share on other sites More sharing options...
paul_russell1 Posted November 9, 2008 Share Posted November 9, 2008 There are a couple of things to bear in mind: For watchable video you will want to use a tripod, otherwise you have vomit inducing shakey cam, especially if you view the 1080 video on a big plasma screen, as with still useage, if you are using tripod you should switch the IS off. You should also switch off AF (hunting looks terrible on video) and expose manually before shooting. With current video IS systems if its left on whilst the cams on a tripod the motor keeps working and the picture drifts around the frame, only very slightly and not enough for you to notice on the 3" LCD screen. When you play back on your 40" plasma then keep a bucket handy.... If you hand hold, shoot with AF and AE then you are as well not doing it. I recommend the sennhesier MKE400 as a good external mic, it will mount on the hot shoe and rycote do a windjammer for it. Canon haven't had the foresight to fit a headphone socket as yet.... I still have reservations about the video mode, its a great add on, but if you are serious about video, you will stick to a camcorder. Bodes well for the future though. Link to comment Share on other sites More sharing options...
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