Several other lenses are demonstrated, including a cylindrical convex lens, but these are only ... The trick is just a very small stepover on your CNC path. There are a few more videos planned ...
These aren’t exactly the kind of thing you can pick up at the local camera shop, and even small lenses made of ... you simply put a convex lens in front of the thermal camera.
A lens is a specially shaped pieces of glass or transparent plastic, that is used to focus light. A convex lens is made from a transparent material that bulges outwards in the middle on both sides.
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