4 USA 
2 Singapore 
2 Brazil 
1 Germany 
1 Indonesia 
850nm Narrow Bandpass Filter - China
price: contact company for price
Parameter 850nm Narrow Bandpass Filter
CWL 850nm±5nm
FWHM 20nm±2nm (customized)
Product size 3mm-80mm(customized)
Transmission at CWL >90%(According to customers' demand)
Blocking >OD3-OD6 UV-NIR
Substrate Optical glass
Surface Quality 60-40, 40-20
Advantages OF Narrow Bandpass Optical Filter
High selectivity: Narrow bandpass filters can selectively pass light in a small wavelength range across a wide spectrum, which is particularly useful for applications that require the exclusion of background noise or interfering light.
Central wavelength: Each narrow bandpass filter has a specific central wavelength, which is the wavelength position of the maximum transmittance it is designed to pass.
Company Contact:
- Posted By: Shandong Yanggu Constant Crystal Optics, Inc
- Phone: +86 635 2952 888
- Address: North-South 1st Road, Xiangguang Economic Development Zone, Yanggu, Liaocheng , Shandong , China
- Email:
- Website: https://www.sycco-optics.com/
Published date: October 21, 2025
- Business Description: Shandong Yanggu Constant Crystal Optics, Inc was established in April 2006, located in Xiangguang economic development zone, Yanggu County, Shandong Province.
We are specialized in researching, producing and selling optics and optical components.
Our main products include optical window, prism, lens, beamsplitter, filter, wedge, blanks and etc.
We also provide customized service according to customer requests.
Our Products
Optical Glass Filters
Optical Glass Lenses
Optical Glass Prisms
Optical Glass Window
Optical Glass Mirrors
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