Matched with spot light using, the principle is to make the light collimated through the lens. The spot size can be adjusted by the distance from two lens (One is in the light, one is connected with light). Simple design, can make the light ray parallel.
1. Simple design, can adjust the spot size.
2. Matched with spot light flexible, have more choice of the lights.
3. Easy to install.
Inspection of foreign body in oral solution
Result: The foreign body clear and distinct.