wholesale concave lens

Description

The concave lens can greatly focus light. It is a free converging lens that has a spherical surface. It is slightly convex (ends in some direction, generating bulge). Due to this bulge and the spherical surface, it collects all parallel rays passing through it and concentrates them into a single point.

The Concave Lens is used to project light or images onto paper or a screen. It can be used to magnify an area, or project detailed images onto a high-quality screen. It can also be used as a magnifying glass.

Concave lenses are used to bend light and project an image of an object on the same side of the lens as the object. They are most often used in binoculars or telescopes to improve focus. These lenses contain two differently shaped surfaces that focus on one another, meaning that they must be manufactured with extreme precision from a single piece of plastic.

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