Optolong Moon & Skyglow Filter is perfect for both visual and photographic applications.
This Is Primary Light Pollution Filter. Works Well On Planets As Well, Increase Significant Contrast
You'll notice darker background sky due to blocking of natural skyglow at 589nm as well as emissions from lights that cause artificial light pollution.
Optolong Moon & Skyglow Filter made with Schott glass, multi-coated with ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength, or CWL. Each filter cell is made of lightweight, strong metal and is CNC machined, sand-blasted, black anodized, and then laser engraved.
Free Shipping To Most Countries Worldwide Via Registered Parcel. Free Aramex Express Shipping To Singapore
20% Discount With Purchase Of Telescope, Camera Or Tracker From Us!
Interested please contact 017-6063060/03-40317167/013-2312109
Purchase with telescope get exclusive discounted price