So you shoot a c100 clip.... And then you upload it as 360p?
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So do yourself a favor and go through all your lenses and AFMA them, it's worth it. But you HAVE TO do it against a horizontal surface, not a vertical one.
Lay out a measuring tape, running away from the camera. Set the AF to only use the center point for AF'ing. Choose a spot on the measuring tape and place it inside the AF square in the viewfinder.
Do yourself a bigger favor and get Reikan FoCal.
Using a measuring tape is a bad idea, the camera's AF system is designed to lock onto the feature of highest contrast in the AF point, and that actual point is bigger than the little box in the VF. What that means practically is that it'll be locking onto the edge of the tape measure itself, which runs all the way through the frame, not the horizontal line at the number 6 or whatever you pick. If you're going to do it manually, use a commercial tool like LensAlign, or build a DiY equivalent with a vertical focus target and an angled ruler/tape measure, something like this:
You can put a step ring to your 77mm filter. One reason you'll buy a large filter even if you're using a lens with small filter is so that you'll never have to change filter even you get a lens with larger filter.
Disadvantage: Your lens cap won't fit.