1 Landscapes are treated unusually, in frescoes and also in sealstones, as if seen from the air or through a fish-eye lens.

2 Left: Even squeezed by the fish-eye lens the tank is impressive.

3 The slopes were gentle and convex like the outer optic of a huge fish-eye lens.

4 You mean the fisheye lens?

5 Picture taken with a fisheye lens underwater.

6 An image made with an ultra wide angle fisheye lens covering the normal film frame of 1:1.33 is not automatically considered to be a panorama.

7 A fisheye lens captures arcs of light crowning the Canadian wilderness.

8 Patterns in Nature: Rainbows A fisheye lens captures arcs of light crowning the Canadian wilderness.

9 Caption :The creative snapper uses an old Soviet fisheye lens from Belarus to give these images a unique perspective.

10 The creative snapper uses an old Soviet fisheye lens from Belarus to give these images a unique perspective.

11 The fisheye lens can reach excellent imaging quality in such an austere environment,[] and provide important guarantee for information capture with extreme wide-angle view on the orbit.

12 This article first embarked from the principle of fisheye lens imaging, then discussed camera calibration algorithm for fish-eye Lenses and gave an analysis and the comparison to typical algorithm.