A first-surface mirror is a type of mirror in which the reflective coating is applied directly to the front surface of the substrate, typically glass or acrylic. This design contrasts with a second-surface mirror, where the reflective coating is applied to the back side of the glass. ### Key Characteristics of First-Surface Mirrors: 1. **Reflective Quality:** - First-surface mirrors provide a clearer and more precise reflection because there is no distortion caused by the substrate.
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