Name：L-Ultimate 3nm dual narrowband filter color camera (L-Ultimate 3nm)
Specifications：
Filter substrate: optical glassFilter thickness: 1.85mm
Bandwidth value: Olll 3nm Ha 3nm
Cut off range: 300-1000nm
Cut off depth:>0D4
Surface finish: 60/40
Surface shape: In/4
Parallelism: 30 seconds
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