Birdwatch Note Rating
2024-03-07 00:51:05 UTC - HELPFUL
Rated by Participant: E1D2FA128377AED5D0D982037A070F974F30F945A055C27701DC3AD92FB6B426
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Original Note:
This picture was taken with a wide angle lens, which due to lens and barrel distortion, can make a convex curved line appear flat if it is under center frame. Footage taken with rectilinear lenses from high altitudes reveal Earth's curvature. https://flatearth.ws/fisheye-makes-flat http://walter.bislins.ch/bloge/index.asp?page=Lens+Distortion+and+the+Curvature+of+the+Earth
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