| Optics filter the color piece: Each colored optical glass: The red closure sheet glass, the orange closure sheet glass, the yellow (gold) the closure sheet glass, the green optics sheet glass, the blue color optics sheet glass, the blue color optics sheet glass, the purple optics sheet glass, passes the ultraviolet black optics sheet glass (2537NM. 3650NM) passes near-infrared, passes the far infrared optics sheet glass, the ultraviolet transmission to absorb the sheet glass, the neutral dark color glass obviously. |
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