850nm Bandpass Laser Filter for Night Vision Scope Camera

Kunming Yulong Optical&Electronics Technology Co., Ltd. is a professional manufactures of optical coatings and optical filters processing in China. Top one Astronomical Interference Optical Narrow Bandpass Filters manufacturer in China,Third in the world. We have passed SGS ROHS and ISO9001.

Interference Optical Narrow Bandpass Filters are used to selectively transmit a portion of the welldefined spectrum while rejecting all unwanted wavelengths. Our Interference filters provide better transmission, steeper cut on and cut off slopes, greater blocking, and increased durability.

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Kunming Yulong Optical&Electronics Technology Co., Ltd. is a professional manufactures of optical coatings and optical filters processing in China. Top one Astronomical filters manufacturer in China,Third in the world.Our products include Astronomical Filter,Bandpass Filters,Edge filters, Longpass & Shortpass Filters,Beam spliters,Anti-reflective Coating,Optical Mirrors and so on.Our company were established in 1999,have five precious vacuum coating machines,a set of spectrophotometer (UV-VIS-NIR Shimadzu UV3150) which is imported from Japan.

 Core competition ability

Technical Assurance:The CEO has 25 years experience of optical filter design and manufacturing,

once worked as principal of first Chinese military optical instrument industry.

Spot Supply: Thousands of products have been manufactured each year,some products have been 

standardized,rich merchandise in stock,deeply lower the customer's sample fee and delivery circle.

Quality Assurance: Rich experience in ISO9001 management system

Smooth communications: Six foreign trading sales engineer,outstanding products knowledge and communicating skills 

 Exhibition & Customer Visitation 

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