Lens barrel

Abstract

A lens barrel including a lens barrel body, a multilayer interference film, and an anti-fouling and scratch-resistant protective layer is provided. The multilayer interference film is disposed on an outer surface of the lens barrel body. The multilayer interference film includes high refractive index films and low refractive index films which are alternately stacked. The anti-fouling and scratch-resistant protective layer is disposed on the multilayer interference film. The multilayer interference film is disposed between the lens barrel body and the anti-fouling and scratch-resistant protective layer. The reflectivity of an outer surface of the lens barrel formed by the combination of refractive indexes and thicknesses of the anti-fouling and scratch-resistant protective layer and the multilayer interference film is less than or equal to

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