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Optolong new item-Clear Sky Filter, front facing 82mm no dark-corner.
Clear Sky blocks the city Na and Hg light pollution so that improve contrast effectively. This filter that differ with other filter, its front facing, like UV Filter.
No wavelength shifting , no color gradient through the images(result).
Primary For Astrophotography In Mild To Moderate Light Pollution
Item In Stock
Free Shipping Most Countries Worldwide With Registered Article
20% Off With Purchase Of Telescope/Tracker
Please Contact 017-6063060/03-40317167/013-2310319
Item Self Collect In Setapak, KL