Optolong Filters & Accessories
About Optolong Filters
While Optolong is a relative newcomer to the astronomy industry, they are no strangers to optics and filters. Optolong is a division of Yulong Optics Company, a high tech company specializing in optical filter design and production. Their products include bandpass filters, flourescence filters, edge filters, longpass and shortpass filters, beam splitters, anti-reflection coatings, optical mirrors and, of course, astronomical filters.
Established in 1999 and based in Kunming City, China, Optolong/Yulong provides nearly 2000 types of optical filter coatings annually to customers worldwide in a wide variety of industries and applications. We invite you to learn more about Optolong/Yulong, their products, facilities, and processes by viewing the short video below:
- Optolong L-eNhance Dual Bandpass Light Pollution Reduction Imaging Filter - 1.25"Our Price: $179.00In StockFree US Shipping
- Optolong L-eNhance Dual Bandpass Light Pollution Reduction Imaging Filter - 2"Our Price: $229.00In StockFree US Shipping
- Optolong L-eNhance Dual Bandpass Light Pollution Reduction Imaging Filter - Clip Filter for ...Our Price: $259.00In StockFree US Shipping
- Optolong L-eXtreme Dual Bandpass Light Pollution Reduction Imaging Filter - 1.25"Our Price: $239.00In StockFree US Shipping
- Optolong L-eXtreme Dual Bandpass Light Pollution Reduction Imaging Filter - 2"Our Price: $309.00In StockFree US Shipping
- Optolong L-eXtreme F2 Dual Narrowband OIII (7nm) & H-a (7nm) Highspeed Filter for f/2 - f/3....Our Price: $309.00In StockFree US Shipping
- Optolong L-Pro Deep Sky Filter - Clip Filter for Canon EOS Cameras with APS-C SensorOur Price: $249.00In StockFree US Shipping
- Optolong L-Pro Deep Sky Filter - Clip Filter for Canon EOS-R CamerasOur Price: $249.00In StockFree US Shipping
- Optolong L-Pro Deep Sky Filter - Clip Filter for Select Canon EOS Cameras with Full Frame Se...Our Price: $269.00In StockFree US Shipping
- Optolong L-Pro Deep Sky Filter - Clip Filter for Select Nikon Full Frame CamerasOur Price: $269.00In StockFree US Shipping
- Optolong L-Pro Deep Sky Filter - Clip Filter for Select Sony Cameras with Full Frame Sensor ...Our Price: $269.00Out of StockFree US Shipping
- Optolong L-Pro Deep Sky Screw-On Filter - 77mm Camera ThreadOur Price: $289.00Out of StockFree US Shipping
- Optolong L-Quad Quadband Anti-Light Pollution Filter - 2" Mounted # L-QEFOur Price: $199.00In StockFree US Shipping
- Optolong L-Ultimate Dual Bandpass Light Pollution Reduction Imaging Filter - 1.25"Our Price: $289.00In StockFree US Shipping
- Optolong L-Ultimate Dual Bandpass Light Pollution Reduction Imaging Filter - 2"Our Price: $389.00In StockFree US Shipping