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Waterproof Film

Jul 25, 2017

The lens surface is coated with multilayer antireflection film, the lens is especially easy to produce the stain, but the stain can destroy the antireflection film effect. Under the microscope, we can find that the antireflection film has a pore-like structure, so the oil is especially easy to infiltrate into the Antireflection film layer. The solution is to reduce the reflective film layer with a layer of oil and water resistance of the top film, that is, the waterproof membrane. The film must be very thin so that it does not change the optical properties of the antireflection film.

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