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How to identify UV laser optics lens
Posted on:
2022-11-17
How to identify UV laser optics lens? Lens is a kind of optical product widely used in modern times. It can be seen everywhere in our daily life, such as: magnifying glass, glasses, cameras, etc., among which lenses used in high-precision instruments such as microscopes and telescopes Relatively better. The lens is divided into convex lens and concave lens. The convex lens is for magnification, and the concave lens is for reduction. How do we judge whether it is a convex lens or a concave lens when we encounter a UV laser optics lens? Let’s learn together.
Identification of UV laser optics lens lens:
1. "Touch": Touch the lens with your hands. The thicker in the middle and thinner at the edge is a convex lens; the thinner in the middle and thicker at the edge is a concave lens.
2. "Illumination": Let the lens face the sunlight, move the lens, and the smaller and brighter spot on the receiving screen (ground, paper, etc.) is a convex lens, otherwise it is a concave lens.
3. "Looking": Use the UV laser optics lens to read the characters, the convex lens can enlarge the characters, and the concave lens can only reduce them.
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