A 5 mm diameter flat/convex lens LOCA glued to the end of the endoscope will shorten the focal length. Not sure where one might scrounge one from though. The date window glass from a Rolex Oyster might work.
A 5 mm diameter flat/convex lens LOCA glued to the end of the endoscope will shorten the focal length. Not sure where one might scrounge one from though. The date window glass from a Rolex Oyster might work.
An itch ... is ... a desire to scratch
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