
Rolling shutter @ identical panning speed: Canon 7D vs Canon 5D mark II
2 months ago
this is an update to my first test, a bit more conclusive.
please check my blog for a few more discoveries during this test, download the 720p versions from here.
mikekobal.com/blog/?p=311
please check my blog for a few more discoveries during this test, download the 720p versions from here.
mikekobal.com/blog/?p=311
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Just as long as the image doesn't stop like jello. Then theres a problem.
Speaking as a relative laymen here. I wouldn't be disconcerted by the effect on a steady pan. A lot of folks posting DSLR films are using wide angle zoom lenses at the wide end (16-35, 17-40, 24-70 etc). I wouldn't be expecting straight verticals in my stills with those without a little help from DXO. Where it really jars is on the direction change. How often would you do that? In the circumstances when you would pan that fast, wouldn't the distortion be beneficial adding to the sense of speed or disorientation?
Maybe we should be a bit more forgiving of these technology quirks. In 20 years time we will be buying plugins to simulate rolling shutter to give it that authentic Noughties look
What would happen if the camera was upside down? wouldnt the sensor in theory scan from bottom up? and this reversing the "skew direction"?
Okay, now my head REALLY hurts.
I love trying to keep up with you guys, but I clearly don't know my limit. ;)
*sorry mike if it not to much to ask take a look at one of my projects and recommend me a hd camera please vimeo.com/5745683
SD is dead!
Im so happy right now :)
BTW: in professional cameras like the Ikegami HDN-X10 (CMOS Sensor) I never see a rolling shutter.
There is inside a very effectively electronic to compensate
this effect. May be in some years we will find this compensate electronic in all DSLR with movie function.
thx for the test !
By the way, is the skipping effect seen even in the slowest of pans for both cameras caused by the compression Vimeo has? Or is this related to the shutter speed of 1/80 combined with 30p?
I've read that a good rule to follow with the 5D & 7D is doubling the frame rate to get the proper shutter speed... or were you using 1/80 for a particular reason? (I'm still learning, so my thanks for any help/advise/wisdom you can share).