Filters

DayStar UV/IR  Energy Rejection Filter - for Refractor Telescope - available in 1.25" or 2" Presenting the DayStar Energy Rejection-Refractor 2" ...

DayStar Combo QUARK H-Alpha "Eyepiece" Solar Filter - Chromosphere Model - DSZCC Discover the groundbreaking Daystar Instruments QUARK, the inaugur...

Lunt 60mm Double Stack Filter (Front Mount) - LS60FHa Introducing the Lunt LS60FHa, a 60mm H-Alpha Double Stack Filter (Front Mount), features a 60...

Explore Scientific Oxygen III 2.0-inch Nebula Filter - 310200 Presenting the Explore Scientific Nebula Filter 1.25" O-III, with a wavelength range ...

Explore Scientific UHC 1.25-inch Nebula Filter - 310215 Introducing the Explore Scientific 1.25" UHC Nebula Filter, featuring a range from 458nm to...

Lunt LS50F Hydrogen-Alpha Front-Mounted Etalon System w/ B1200 Blocking Filter To measure for your adapter plate take a measurement of the outside ...

Lunt LS40F Hydrogen-Alpha Front-Mounted Etalon System w/ B1200 Blocking Filter To measure for your adapter plate take a measurement of the outside ...

Lunt LS40F Hydrogen-Alpha Front-Mounted Etalon System w/ B600 Blocking Filter To measure for your adapter plate take a measurement of the outside d...

Lunt LS50F Hydrogen-Alpha Front-Mounted Etalon System w/ B600 Blocking Filter To measure for your adapter plate take a measurement of the outside d...

Explore Scientific Dark-Sky Filter 77mm Slim - 310260 Universally applicable dark sky filter with 77mm filter thread for photo lenses. Particularly...

Explore Scientific 2-Inch Variable Polarizing Filter - 310250 Universally applicable variable polarizing filter with 2 "filter thread . This variab...

Explore Scientific Nebula Filter H-Alpha 2-inch 7nm - 310140 In addition to the turbulence in the air, the brightening of the night sky is the grea...

Explore Scientific Nebula Filter H-Alpha 2-inch 12nm - 310130 In addition to the turbulence in the air, the brightening of the night sky is the gre...

Explore Scientific Nebula Filter S-II 2-inch 6.5nm - 310120 In addition to the turbulence in the air, the brightening of the night sky is the great...

Explore Scientific Nebula Filter S-II 2-inch 12nm - 310110 In addition to the turbulence in the air, the brightening of the night sky is the greate...

Explore Scientific Nebula Filter H-Alpha 1.25-inch 7nm - 310145 In addition to the turbulence in the air, the brightening of the night sky is the g...

Explore Scientific Nebula Filter H-Alpha 1.25-inch 12nm - 310135 In addition to the turbulence in the air, the brightening of the night sky is the ...

Explore Scientific Nebula Filter S-II 1.25-inch 6.5nm - 310125 In addition to the turbulence in the air, the brightening of the night sky is the gr...

Explore Scientific Nebula Filter S-II 1.25-inch 12nm - 310115 In addition to the turbulence in the air, the brightening of the night sky is the gre...

Explore Scientific Nebula Filter Oxygen III 1.25-inch 6.5nm - 310105 In addition to the turbulence in the air, the brightening of the night sky is ...

Starfield Optics 1.25-Inch Dark Filter - DF125 Use this completely opaque filter when generating dark frame if your camera is not equipped with a b...

Starfield Optics 2-Inch Dark Filter - DF200 Use this completely opaque filter when generating dark frame if your camera is not equipped with a buil...

Starfield Optics M48 x 0.75 Filter Carousel for 2" FW5200V2 Filter Wheel - FW5200CAR Replacement carousel for our 2" FW5200V2 motorized filter whee...

Starfield Optics Filter Carousel for 7x36mm Filter Wheel - 36mm Unmounted - FW736CAR Replacement carousel for our FW736 motorized filter wheel. Con...