Optolong Optics Co. Ltd
Optolong Optics Co. Ltd
🇨🇳 China, Yunnan
199911-50 peopleManufacturer/Trading CompanyOptolong Optics Co. Ltd, also known as Kunming Yulong, is a premier manufacturer and integrated trading enterprise established in 1999. Based in Kunming, China—a recognized global hub for optical instrumentation—the company leverages over 20 years of specialized experience in advanced optical coating technologies, including IAD evaporation and PVD e-beam thermal evaporation. Optolong is a leading brand in the astrophotography market, renowned for its high-performance filters such as the L-Pro, L-eXtreme, and L-eNhance series, which are designed to optimize deep-sky imaging and planetary observation.
Beyond astronomy, the company provides a comprehensive portfolio of optical solutions for life sciences, industrial automation, and medical diagnostics. Their technical capabilities include the production of fluorescence filter sets, narrowband interference filters, dichroic mirrors, beam splitters, and anti-reflection coatings. These products support critical applications in fluorescence microscopy, PCR analysis, LiDAR sensors, and machine vision.
Operating from a facility exceeding 1,200 square meters, Optolong maintains a rigorous quality management system certified under ISO 9001:2015. The company offers extensive OEM and ODM services, utilizing sophisticated Japanese-imported spectrophotometers and vacuum coating machines to meet custom specifications ranging from 100nm to 1500nm. With a workforce of approximately 11 to 50 professionals, Optolong serves a global clientele across North America, Europe, and Southeast Asia, positioning itself as a reliable partner for high-precision optical components.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
Own brandOwns and operates its own brands and manufacturing facilities.
Product customizationOffers full customization for design and features.
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Bioscopic Fluorescence Filter Glass 605nm Size 12.5-50.0mm Round Square Optical Filters Color Filters for Bio Chemistry
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Short Pass 400nm Uv Shortpass Filters Professional Manufacturer Filter Pass Short
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470nm Bandpass Filter Optical Filter 470nm Optic Glass Optical Bandpass Filter
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370nm 10nm Fwhm High Quality Uv Mirror Filter Uv Band Pass Filters
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FWHM 15nm Optical Glass 808nm Narrow Bandpass Filter Coated for Machine Laser
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50/50 Polarizing Beam Splitter (650nm) Beam Splitter Optics Optical Plate Beam Splitter
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LP-TexasRed Fluorescence Microscope Filter Optical Filters Longpass for Fluorescence Biomedical Instrument
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fluorescence Filter
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20 Years Optolong Long Pass Imaging Filter LP-DAPI Fluorescence Filter Biomedical Microscope Optical Filters
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30mm Reflect Hot Sale High Quality Mirror Infrared Ir Reflective Ir Reflecting Glass
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Optical Filter Glass Narrow Bandpass Filter 470nm for Liquid Chromatograph Interference Filters
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Fluorescent Microscope Filters 460nm Blue Filter for Microscope for Microscopy Imaging System
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ISO 90015
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