MavPro
lvl.2
Flight distance : 441667 ft
Germany
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Does anybody know what sensor and what DSP-chip is in the mavic? (I'd like to look at the datasheets)
There has been a pdf where DJI stated why 1080p 48fps and up is not able to get decend image quality, but I can't find that pdf and therefore I'm not able to read it.
What I read was that 4k 60fps could also be possible from the image sensor, but the processing is not possible, because the DSP-chip (?) has not enough power or does not support that mode.
It is also said that the processing for 1080p30fps works that way that it gets down sampled from 4k 30fps, which of course needs some processing power as well. So 1080p 60fps is not possible because there is not enough power to down sample 4k 60fps to 1080p 60fps.
But the fact that it is possible to record in 1080p up to 96fps and those are real 96fps (and not just 30fps upsampled to 96fps, you can see that in the slow motion videos) means that the sensor must be capable of that.
Can anyone tell me if there is a crop when shooting in 1080p 96fps? That would mean that they just use 1920x1080 pixels out of the sensor and not all pixels and scale them down to 1080p.
This would be an option to get 1080p 96fps without the moire effect, but worse image quality.
I'm would also be interesting to know if the DSP chip is from a supplier and it looks like that:
image sensor => DSP chip => DJI hardware to transmit to the ground
image sensor => DJI DSP hardware to manipulte the image for OcuSync => DJI hardware to transmit to the ground
I am just curious about all this, because I don't know any camera that is capable of 4k 30fps, but can NOT shoot in 1080p 60fps.
So I don't believe that it is a problem of the sensor/dsp chip, but more a decision made by DJI because of the goggles they sell.
As a customer that read in the product description of the mavic 4k 30fps/1080p up to 96fps I would be fine with being able to choose between a "OcuSync" mode and a "normal" mode.
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