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:
- ClearanceClearance: *2nd* Optolong L-eXtreme Dual Bandpass Light Pollution Reduction Imaging Filter -...Sale Price: $274.99 Our Price: $309.00In StockFree US Shipping
- ClearanceClearance: *2nd* Optolong L-eXtreme F2 Dual Narrowband OIII (7nm) & H-a (7nm) Highspeed Filt...Sale Price: $279.99 Our Price: $309.00Out of StockFree US Shipping
- ClearanceClearance: *2nd* Optolong L-Pro Deep Sky Screw-On Filter - 77mm Camera Thread CLN-1466Sale Price: $259.99 Our Price: $289.00In StockFree US Shipping
- ClearanceClearance: *2nd* Optolong Variable Transmission Polarizing Filter - 1.25" CLN-1461Sale Price: $33.99 Our Price: $39.00In StockFree US Shipping
- ClearanceClearance: *2nd* Optolong Variable Transmission Polarizing Filter - 2" CLN-1462Sale Price: $42.99 Our Price: $48.00In StockFree US Shipping
- 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 Filter - 2"Our Price: $85.00In StockFree US Shipping
- Optolong City Light Supression / Light Pollution Reduction CLS Filter - Clip Filter for Cano...Our Price: $95.00In StockFree US Shipping
- Optolong City Light Supression / Light Pollution Reduction CLS Filter - Clip Filter for Sele...Our Price: $115.00In StockFree US Shipping
- Optolong City Light Supression / Light Pollution Reduction CLS-CCD Filter - 1.25"Our Price: $95.00In StockFree US Shipping
- Optolong City Light Supression / Light Pollution Reduction CLS-CCD Filter - 2"Our Price: $159.00In StockFree US Shipping
- Optolong City Light Supression / Light Pollution Reduction CLS-CCD Filter - Clip Filter for ...Our Price: $115.00In StockFree US Shipping
- Optolong City Light Supression / Light Pollution Reduction CLS-CCD Filter - Clip Filter for ...Our Price: $135.00In StockFree US Shipping
- Optolong Clear Sky Light Pollution Reduction Screw-On Filter - 77mm Camera ThreadOur Price: $165.00In StockFree US Shipping
- Optolong Clear Sky Light Pollution Reduction Screw-On Filter - 82mm Camera ThreadOur Price: $205.00In StockFree US Shipping
- Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 1.25"Our Price: $159.00In StockFree US Shipping
- Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 2"Our Price: $229.00In StockFree US Shipping
- Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 31mm Round UnmountedOur Price: $169.00In StockFree US Shipping
- Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - 36mm Round UnmountedOur Price: $189.00In StockFree US Shipping
- Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - Clip Filter for Canon EOS Cameras with...Our Price: $219.00In StockFree US Shipping
- Optolong Hydrogen Alpha Narrowband (7nm) CCD Filter - Clip Filter for Select Canon EOS Camer...Our Price: $239.00Out of StockFree US Shipping