Optolong Optics Co Ltd

Optolong Optics Co., Ltd. is a manufacturer of optical filters, including fluorescence filters, astronomy filters, and other interference filters. The company produces a wide range of filters, such as bandpass filters, longpass filters, shortpass filters, and dichroic mirrors, for various applications, including biomedical imaging, industrial detection, life science instruments, machine vision, and lasers. Optolong offers customized filters with specific sizes, shapes, and spectral characteristics, and provides OEM services to clients worldwide. The company has 22 years of coating experience and operates according to ISO 9001:2008 standards, ensuring high-quality products and customer satisfaction.

Optolong Optics Co., Ltd is the brand owner of Optolong is a manufacturer of fluorescence filters, astronomy filters. We also offer other interference filters like UV filters, visible filters and Near inferred filters, beam splitter, anti-reflection coating, and optical mirrors as an OEM service.

Located in Kunming city in China which is one of the four optics centers and the coating experience of 22 years (since 1999) enables us to design and produce the filters with the most sophisticated spectrum.

We are glad to declare that Optolong has become the first and only non-replaceable brand for astronomical filters in China. Optolong brand is also known as the comparable filters with an international brand by distributor clients around the world.

Five bands bandpass filter L-Pro has gotten the most positive feedback from astronomy photographers, astronomy amateurs. We also manufacture other filters like UHC, H-Beta, O-III, H-Alpha, SII, LRGB, Night Sky H-Alpha are also. Check more info on the astronomy filters page.

Fluorescence filters like FISH products, single-band filters DAPI, FITC, TRITC, Texas Red, GFP, CFP, Cy5 is the other direction of Optolong. Filters we produce are with the dark background and bight signal which is becoming the essential tool for fluorescence instrument manufacturers, universities, and study institutions. We are the first manufacturer who launches fluorescence filters set for FISH products which require more accurate control on the spectrum and overlap in China. Check more product info on the fluorescence FISH filter set.

Optolong Optics Co.,ltd is the brand owner of optolong who is a manufacturer of astronomy filters, fluorescence filters. We also offer other interference filters like UV filters, visible filters and Near inferred filters, beam splitter, anti-reflection coating and optical mirrors as a OEM service.
Please Email: lens@optolong.com

1999