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, 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, 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 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 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 Quick View Quick View Accessories, Achromat + Semi APO, All, Baader GERMANY, Brands, Filters, Narrowband, Visual, Moon, Neutral DensityBaader AstroSolar® Safety Film 5.0, 200x290mm # 2459281 $59.95 Add to cart Quick View Quick View Accessories, Achromat + Semi APO, All, Brands, Filters, Kson Electronics, Narrowband, Visual, Moon, Neutral DensityKson 2″ 495nm Yellow Longpass (CA / Chromatic Aberration Killer) $89.95 Add to cart Quick View Quick View Accessories, Achromat + Semi APO, All, Baader GERMANY, Brands, Filters, Narrowband, Visual, Moon, Neutral DensityBaader Morpheus® M43 / SP54 Adapter #2954251 $64.95 Add to cart Quick View Quick View Accessories, Achromat + Semi APO, All, Baader GERMANY, Brands, Filters, Narrowband, Visual, Moon, Neutral DensityBaader ClickLock extension #2956237 37mm (#2956252 & 2″ barrel #2958551) $164.95 Add to cart Quick View Quick View Accessories, Achromat + Semi APO, All, Baader GERMANY, Brands, Filters, Narrowband, Visual, Moon, Neutral DensityBaader Planetarium 2″ Polarising Filter #2408342 $164.95 Add to cart Quick View Quick View Accessories, Achromat + Semi APO, All, Baader GERMANY, Brands, Filters, Narrowband, Visual, Moon, Neutral DensityBaader Planetarium 2″ Contrast Booster with IR-Cut #2458365 $199.95 Add to cart Quick View Quick View Accessories, Achromat + Semi APO, All, Baader GERMANY, Brands, Filters, Narrowband, Visual, Moon, Neutral DensityBaader Planetarium 2″ UV/IR-Cut / L Filter #2459210A $199.95 Add to cart 1 2