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Here is a sequence shot of the vessel carrier "Midnight Sun" transiting through a field of view with the far shore in the background. Can anyone make sense of different heights at different distances appearing aligned with "eye-level?" On a flat surface, per the "law of perspective," all points above the surface that are the same height as the viewer should appear aligned level with the eye/camera. Objects closer to the surface will appear to RISE to "eye-level" while points at a greater height than the camera will appear to DROP to "eye-level." That's how perspective would work on a flat surface. That doesn't appear to happen here. In fact, it never does in any of my observations. Here, elevations that are higher than my camera are appearing below "eye-level," and that phenomena increase as range increases. If "eye-level" is incorrect here, then suggest where it should be such that the same height above the surface appears aligned for all distances. Without using a curvature calculator, or otherwise invoking any curvature, can you deduce how high my camera was above the water throughout this sequence? (And if you feel the inferior mirage is significant, explain how it impacts the optics well above the air where the mirage is appears?) Score: "Aretes" by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/... Artist: http://incompetech.com/