| Color classification | 20 * 20 * 1mm single lens |
|---|---|
| Brand | Unbranded |
| Type | lens |
Check the listing for details. BP450nm Bandpass Optical Filter Bandwidth 40nm Only Transmits Blue Light. Condition: New. Listed at 14.98 USD. Product features: The coating process uses high-temperature evaporation and ion source-assisted coating technology, resulting in a firm film layer, high transmittance, and good cut-off performance.
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