Product Description
- Infrared (IR filters) band-pass (BPF) or narrow bandpass (NBP filters)
- Center wavelength: 640 nm
- Suitable for near infrared devices inside,or IR laser light Equipment
- Transmission light, infrared light, cut-off ultraviolet, and visible light
- band-pass infrared filter, half bandwidth:50nm
- Wavelength transmittance:
- Wavelength: 640nm, transmittance: >90%
- Wavelength: 620/670nm, transmittance: =50%
- Wavelength: 300 to 600nm, transmittance: <1%
- Wavelength: 700 to 1000nm, transmittance: <1%
- Suitable for 1/4, 1/3, and 1/2-inch devices, or large size
- Thickness: 0.5 to 3.0nm
- Accept the circular and square size: (Shapes: shape, trapezoid, and square
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