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Did you know a defect as small as a pinhole can compromise the performance of your optical filter?
Pinholes may be nearly invisible, but their impact is far from small. These tiny imperfections can cause unwanted light leakage, reduce durability, and create artifacts in imaging systems—issues that can affect a wide range of applications.
But how do pinholes form?
Pinholes can be created as a result of dust or particles present during the coating process or from imperfections in the base material itself. Pinholes come in different shapes and forms—such as craters, keyholes, or channels—each impacting optical performance in its own unique way.
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