Extreme fisheyeWritten by Paul BourkeAugust 2017
A fisheye photograph is often associated with simply a wide angle shot, with a circular fisheye lens one first imagines a 180 degree field of view. There are real fisheye lenses that extend past 180 degrees, even as high as 280 degrees. Mathematically however a fisheye projection is not constrained by physics and optics. In the following various fisheye projections will be created using the equirectangular image below. 
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