Item Type: UHC Light Pollution Filter. Feature: 1. This is a high contrast filter that enhances the contrast between nebula and starlist sky, reproducing rich nebula details. Optical Glass Substrate and Coating: Due to the fact that the filter belongs to interference filters, the displayed colors vary at different angles, ensuring that the film layer is resistant to high temperature, corrosion, and is not easy to peel off, the coating is uniformly coated.
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