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Frequently Asked Questions

A positive cylinder is an optical lens with one flat surface and one convex surface.

Positive cylinders are commonly used in laser optics, OEM, metrology, and vision applications.

The standard specifications for a positive cylinder include length tolerance of ±0.10 mm, width tolerance of ±0.14 mm, center thickness tolerance of ±0.50 mm, and surface quality of 60-40.

Yes, you can request custom optics for a positive cylinder if you don't see what you need in the standard specifications.

The clear aperture of a positive cylinder is 90%.

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