Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Quick View Sale! Quick View All, Brands, Filters, Kson Electronics, UHC/O-III, Visual, Moon, Neutral DensityKson 2″ UHC (Ultra High Contrast) Nebulae Filter $109.95 $99.95 Add to cart Quick View Sale! Quick View All, Filters, UHC/O-III, Visual, Moon, Neutral DensityKson 1.25″ Telescope Eyepiece UHC (Ultra High Contrast) Filter $64.95 $54.95 Add to cart Quick View Sale! Quick View All, Brands, Filters, Kson Electronics, Narrowband, UHC/O-III, Visual, Moon, Neutral DensityKson 1.25″ Essential Triple Filter Pack (UHC, O-III & H-Beta) $199.95 $179.95 Add to cart Quick View Sale! Quick View All, Aquila Optical Equipment, Brands, Filters, Visual, Moon, Neutral DensityAquila 1.25″ Neodymium Moon and Skyglow Filter $79.95 $49.95 Add to cart Quick View Sale! Quick View All, Brands, Filters, Kson Electronics, Narrowband, UHC/O-III, Visual, Moon, Neutral DensityKson 2″ UHC, O-III, H-Beta (Hydrogen Beta) Triple Filter Pack $473.90 $329.00 Add to cart Quick View Quick View Accessories, Achromat + Semi APO, All, Brands, Filters, Kson Electronics, Narrowband, Visual, Moon, Neutral DensityKson 1.25″ 495nm Yellow Longpass (Chromatic Aberration Killer for Achromat Refractors) $49.95 Add to cart Quick View Quick View All, Brands, Filters, Kson Electronics, UHC/O-III, Visual, Moon, Neutral DensityKson O-III (Oxygen 3) Filter (Light Pollution) 2″ Telescope Eyepiece Filter $124.95 Add to cart Quick View Sale! Quick View All, Brands, Filters, Kson Electronics, UHC/O-III, Visual, Moon, Neutral DensityKson 1.25″ Telescope Eyepiece O-III (Oxygen 3) Light Pollution Filter $79.95 $54.95 Add to cart Quick View Quick View Accessories, Achromat + Semi APO, All, Baader GERMANY, Brands, Filters, Narrowband, Visual, Moon, Neutral DensityBaader AstroSolar® ECO-size Safety Film 5.0, 140×155 mm # 2459286 $36.95 Add to cart Quick View Sale! Quick View Accessories, All, Aquila, Aquila Optical Equipment, Brands, By Manufacturer, Filters, Visual, Moon, Neutral DensityAquila 2″ Neodymium Moon and Skyglow Filter $129.95 $89.95 Add to cart Quick View Quick View All, Brands, Filters, Kson Electronics, UHC/O-III, Visual, Moon, Neutral DensityKson 2″ H-Beta / Hydrogen Beta Photographic Filter (Two Inch) $229.00 Add to cart Quick View Quick View Accessories, Achromat + Semi APO, All, Baader GERMANY, Brands, Filters, Narrowband, Visual, Moon, Neutral DensityBaader AstroSolar® Safety Film 5.0, 1000x500mm # 2459282 $139.95 Add to cart 1 2 3