Compound Focusing Lens product

A focusing lens group composed of two or three focusing lenses is usually called a composite focusing lens, also known as a multi lens group. Compared to a single focusing lens, a composite focusing lens has excellent imaging quality and can effectively reduce aberration and spherical aberration. It can focus a parallel laser beam after appropriate magnification expansion into a very small spot, and is widely used in laser systems such as laser cutting machines, laser cutting machines, laser marking machines, engraving machines, punching machines, laser welding machines, laser engraving machines, etc.

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