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Newton Rings phase change - unclocked (bright) / clocked (dark), Ed Astle

Newton Rings phase change - unclocked (bright) / clocked (dark)

Newton Rings phase change - unclocked (bright) / clocked (dark), Ed Astle

Newton Rings phase change - unclocked (bright) / clocked (dark)

Description

GIF animation of unclocked vs clocked images (animation created in GIMP).
Note how the Newton Rings change - much more contrasty in the clocked image.
"Clocked" is where I aligned the tilt wheels of each Lunt40 etalon.

I don't yet whether this translates to better images. The weekend will hopefully tell...

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