blurry side corner

Hi guys, Just bought a Mavic Pro and is really impressed by this small drone. However I have noticed that my photos and videos are not always sharp throughout the whole picture. I have done all the tips the web has to offer: - recalibrate IMU - recalibrate gimbal - always calibrate compass...

I've found that if I focus at hyperfocal distance of about 10m prior to flying off and switching off AFC then my videos are sharp everywhere corner to corner BUT if I focus at infinity the right side of the image is ridiculously blurry - I'm talking vaseline country, completely unusable. For...