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 City Light Supression / Light Pollution Reduction CLS Filter - 2"Our Price: $85.00In StockFree US Shipping
- Optolong City Light Supression / Light Pollution Reduction CLS-CCD Filter - 2"Our Price: $159.00In StockFree US Shipping
- Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 2"Our Price: $229.00In StockFree US Shipping
- Optolong L-eNhance Dual Bandpass Light Pollution Reduction Imaging Filter - 2"Our Price: $229.00In 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-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 - 2"Our Price: $389.00In StockFree US Shipping
- Optolong LRGBSHO (LRGB, S-II, H-a & O-III) Imaging Filter Set of 7 Filters - 2"Our Price: $1,009.00In StockFree US Shipping
- Optolong Moon & Skyglow Light Pollution Reduction Filter - 2"Our Price: $48.00In StockFree US Shipping
- Optolong Oxygen III / O-III Narrowband (18nm) Nebula Filter - 2"Our Price: $108.00In StockFree US Shipping
- Optolong Oxygen III / O-III Narrowband (6.5nm) Nebula CCD Filter - 2"Our Price: $229.00In StockFree US Shipping
- Optolong SHO (S-II, H-a & O-III) Imaging Filter Set of 3 Filters - 2"Our Price: $669.00In StockFree US Shipping
- Optolong SHO (S-II, H-a & O-III) Narrowband 3nm Imaging Filter Set of 3 Filters - 2"Our Price: $1,199.00In StockFree US Shipping
- Optolong Sulfur II / S-II Narrowband (6.5nm) Nebula CCD Filter - 2"Our Price: $229.00In StockFree US Shipping