Solution 4] Shomei problem

November 13, 2016 October 29, 2020

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This is a continuation from my last post.

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2. Images obtained using small ring illumination (high angle) are shown here.

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This is because the angle of incidence is close to 90 degrees for coaxial lighting,

The image is rather close to coaxial lighting.

The areas that have become slippery due to rubbing have turned white.

In addition (as a matter of course), ring lighting is

AND THE LED ELEMENTS ARE ARRANGED IN A RING SHAPE,

The angle of placement of its elements will also change the image.

These are usually against rough surfaces,

THIS WAS A CASE WHERE THE NG AREA WAS SLIPPERY.