- colour filter
- 2017-01-13 15:50
- colour filter are coated with thin-films to acquire the desired transmission and relection characteristics across the sp
- UHC/LPR Telescope Filter - 1.25 Inch
- 2017-01-13 15:50
- UHC/LPR Telescope Filter1.High-contrast; 2.OEM 3.factory/cost price
- Planetarium Moon & Skyglow Telescope Filter
- 2017-01-13 15:50
- Planetarium MoonSkyglow Telescope Filter 1, AR coating both sides 2, High contrast and light pollution reduction; 3,Cost
- UHC Telescope glass filter
- 2017-01-13 15:50
- Our UHC (Ultra High Contrast)glass filter/Telescope lensfor delivering a high-contrast and natural view of emission nebu
- Neutral Density Filter
- 2017-01-13 15:49
- Neutral Density Filter: 1. MC-coating/protective coating on both sides; 2. OEM: factory price 3.Accept small orders;