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Messages - robertcook

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Camera-specific Development / Re: Canon 5D Mark II / 5D2
« on: May 04, 2015, 05:59:34 PM »
Exposure override worked!  Once it was turned on, I was offered a 1/30.06 shutter speed which entirely removed the banding.  Thank you. :D

Camera-specific Development / Re: Canon 5D Mark II / 5D2
« on: May 03, 2015, 10:58:23 PM »
I'm trying to record a 30fps LED/video light source.  At 30 fps, ML or my camera's deeper logic (not sure which) I get a maximum shutter speed of around 1/33.  This causes causes moving bands to appear both during monitor and record.  I would like 1/30th.

I saw there was a feature for fine tuning the shutter speed, but 5DII does not appear to have this capability.

Strangely, there have been times where I get 1/30 shutter speed - I was playing around with the mode wheel -- moving from Manual -> Av -> Tv -> Program and magically the bands went away and I was getting 1/30 shutter speed.  I haven't been able to replicate this.

It seems that there is some setting of FPS_OVERRIDE that with a particular resolution would give me 30fps with 1/30.  I will be capturing RAW, which means that I will be using some fraction of the frame.

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