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 - 1.25"Our Price: $55.00In StockFree US Shipping
- Optolong City Light Supression / Light Pollution Reduction CLS-CCD Filter - 1.25"Our Price: $95.00In StockFree US Shipping
- Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 1.25"Our Price: $159.00In StockFree US Shipping
- 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 - 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-Ultimate Dual Bandpass Light Pollution Reduction Imaging Filter - 1.25"Our Price: $289.00In StockFree US Shipping
- Optolong LRGBSHO (LRGB, S-II, H-a & O-III) Imaging Filter Set of 7 Filters - 1.25"Our Price: $665.00In StockFree US Shipping
- Optolong Moon & Skyglow Light Pollution Reduction Filter - 1.25"Our Price: $32.00In StockFree US Shipping
- Optolong Oxygen III / O-III Narrowband (18nm) Nebula Filter - 1.25"Our Price: $79.00In StockFree US Shipping
- Optolong Oxygen III / O-III Narrowband (6.5nm) Nebula CCD Filter - 1.25"Our Price: $159.00In StockFree US Shipping
- Optolong SHO (S-II, H-a & O-III) Narrowband 3nm Imaging Filter Set of 3 Filters - 36mm Round...Our Price: $960.00In StockFree US Shipping
- Optolong Sulfur II / S-II Narrowband (6.5nm) Nebula CCD Filter - 1.25"Our Price: $159.00In StockFree US Shipping
- Optolong Variable Transmission Polarizing Filter - 1.25"Our Price: $39.00In StockFree US Shipping
- Optolong Venus & Ultraviolet Venus-U Filter - 1.25"Our Price: $189.00Out of StockFree US Shipping