Filters

3pcs OPTOLONG 2" UHC Nebula Light Filters High Contrast Telescope Camera Filter

3pcs OPTOLONG 2" UHC Nebula Light Filters High Contrast Telescope Camera Filter

$141.93
Celestron 93624 Narrowband Oxygen III 2 Filter

Celestron 93624 Narrowband Oxygen III 2 Filter

$97.00
Orion 5562 2-Inch Variable Polarizing Eyepiece Filter Switch Telescope Tone Moon

Orion 5562 2-Inch Variable Polarizing Eyepiece Filter Switch Telescope Tone Moon

$97.42
Daystar Instruments QUARK PROMINENCE Filter (DSZ4P)

Daystar Instruments QUARK PROMINENCE Filter (DSZ4P)

$500.00
Meade 07968 1.25" Telescope CCD Color Interference Filter Kit Red Blue Green NEW

Meade 07968 1.25" Telescope CCD Color Interference Filter Kit Red Blue Green NEW

$114.95
Astromania 2" O-III Filter - Produces Near-photographic Views of the Veil,  Ring,

Astromania 2" O-III Filter - Produces Near-photographic Views of the Veil, Ring,

$99.61
Astromania 2" O-III Filter - Produces Near-photographic Views of the Veil Rin...

Astromania 2" O-III Filter - Produces Near-photographic Views of the Veil Rin...

$123.06
Brand New Orion 5657 2-Inch UltraBlock Narrowband Eyepiece Filter

Brand New Orion 5657 2-Inch UltraBlock Narrowband Eyepiece Filter

$122.99
Orion 5654 1.25-Inch UltraBlock NarrowBand Filter

Orion 5654 1.25-Inch UltraBlock NarrowBand Filter

$116.22
Gosky 9-position 1.25inch Manual Filter Wheel   Revolver for Astronomical Telesc

Gosky 9-position 1.25inch Manual Filter Wheel Revolver for Astronomical Telesc

$110.32
Gosky Superior Quality 5-position 2inch Filter Wheel   Revolver for Astronomical

Gosky Superior Quality 5-position 2inch Filter Wheel Revolver for Astronomical

$110.58
Orion 5581 1.25-Inch Oxygen-III Nebula Eyepiece Filter

Orion 5581 1.25-Inch Oxygen-III Nebula Eyepiece Filter

$232.54
Orion 5583 1.25-Inch Hydrogen-Beta Eyepiece Filter

Orion 5583 1.25-Inch Hydrogen-Beta Eyepiece Filter

$239.88
Solomark 5-position 2inch Manual Filter Wheel   Revolver for Astronomi

Solomark 5-position 2inch Manual Filter Wheel Revolver for Astronomi

$112.49
 2" o-iii filter - produces near-photographic views of the veil,  ring,  dumbbell

2" o-iii filter - produces near-photographic views of the veil, ring, dumbbell

$104.79
5X2"Ultra High Contrast Telescope Filter for Deep-Sky Object Astrophotography US

5X2"Ultra High Contrast Telescope Filter for Deep-Sky Object Astrophotography US

$179.99
Celestron 94303 Eyepiece and Filter Kit Compatible With 11007 and 21039

Celestron 94303 Eyepiece and Filter Kit Compatible With 11007 and 21039

$139.94
Lumicon LF3050 SCT Rear Cell Oxygen III Telescope Filter Nebula Narrow Band OIII

Lumicon LF3050 SCT Rear Cell Oxygen III Telescope Filter Nebula Narrow Band OIII

$149.95
Astromania 2" Superior Quality Multiple 5-Position Filter Wheel For Telescope

Astromania 2" Superior Quality Multiple 5-Position Filter Wheel For Telescope

$102.09
 94124 2-inch uhc lpr filter (black)

94124 2-inch uhc lpr filter (black)

$103.00
Orion 5587 1.25-Inch H-Alpha Extra-Narrowband Filter

Orion 5587 1.25-Inch H-Alpha Extra-Narrowband Filter

$109.95
Orion 5578 1.25-Inch Oxygen-III Extra-Narrowband Filter

Orion 5578 1.25-Inch Oxygen-III Extra-Narrowband Filter

$99.95
Orion 5579 1.25-Inch Sulfur-II Extra-Narrowband Filter

Orion 5579 1.25-Inch Sulfur-II Extra-Narrowband Filter

$99.95
Gosky 5-position 1.25inch Manual Filter Wheel   Revolver for Astronomical -

Gosky 5-position 1.25inch Manual Filter Wheel Revolver for Astronomical -

$98.24
Orion 7785 4.00-Inch ID E-Series Safety Film Solar Filter For Telescopes

Orion 7785 4.00-Inch ID E-Series Safety Film Solar Filter For Telescopes

$250.00
ASTRODON hydrogen alpha (H-a) filter; 1.25" back. Practically New!

ASTRODON hydrogen alpha (H-a) filter; 1.25" back. Practically New!

$170.00
Hutech IDAS LPS-D1 67mm Light Pollution Filter

Hutech IDAS LPS-D1 67mm Light Pollution Filter

$190.00
Orion 5590 Deluxe Stargazer's 1.25-Inch Eyepiece Filter Set

Orion 5590 Deluxe Stargazer's 1.25-Inch Eyepiece Filter Set

$167.73
Orion telescopes

Orion telescopes

$139.99
Manual 9 Position 1.25" Filter Wheel for Astronomical Telescopes

Manual 9 Position 1.25" Filter Wheel for Astronomical Telescopes

$164.00
10.56" ID Orion Full Aperture Solar Filter

10.56" ID Orion Full Aperture Solar Filter

$139.00
2" Filter Wheel 5 Position Manual Color Filter Wheel for Astronomical Telescopes

2" Filter Wheel 5 Position Manual Color Filter Wheel for Astronomical Telescopes

$164.00
Lumicon 2" Deep-Sky Filter - Life time warranty by OEM

Lumicon 2" Deep-Sky Filter - Life time warranty by OEM

$165.00
7nm 1.25" OPTOLONG H-Alpha Filter Narrowband for DeepSky Astronomical Telescope

7nm 1.25" OPTOLONG H-Alpha Filter Narrowband for DeepSky Astronomical Telescope

$120.99
7nm 2" OPTOLONG H-Alpha Filter Narrowband Filter for Astronomical Photography US

7nm 2" OPTOLONG H-Alpha Filter Narrowband Filter for Astronomical Photography US

$141.99
Levenhuk Ra UHC 2'' FilterFilter for observations of deep-sky objects. Barrel di

Levenhuk Ra UHC 2'' FilterFilter for observations of deep-sky objects. Barrel di

$107.58
Orion 5659 2-Inch SkyGlow Broadband Eyepiece Filter Brand New!

Orion 5659 2-Inch SkyGlow Broadband Eyepiece Filter Brand New!

$106.74
AS Research Filter Sale; Buy a 2" UHC and 2" O-III,  and get a 1.25" O-III FREE

AS Research Filter Sale; Buy a 2" UHC and 2" O-III, and get a 1.25" O-III FREE

$215.00
AS Research Filter Sale; Buy a 2" UHC and 2" O-III,  and get a 1.25" UHC FREE

AS Research Filter Sale; Buy a 2" UHC and 2" O-III, and get a 1.25" UHC FREE

$215.00
Baader Planetarium 2" U Filter (Venus and Ultraviolet) # FUV-2 2458291

Baader Planetarium 2" U Filter (Venus and Ultraviolet) # FUV-2 2458291

$395.00
Baader 1.25" Methane Narrowband Imaging Filter 889nm   8nm -  # 2458295

Baader 1.25" Methane Narrowband Imaging Filter 889nm 8nm - # 2458295

$269.00
 1.25" narrowband h-alpha night sky filter

1.25" narrowband h-alpha night sky filter

$98.69
Gosky Superior Quality 5-position 2inch Filter Wheel   Revolver for Astronomi...

Gosky Superior Quality 5-position 2inch Filter Wheel Revolver for Astronomi...

$110.59
Electronic USB Filter Wheel 7x1.25" for telescope astrophotography and visual

Electronic USB Filter Wheel 7x1.25" for telescope astrophotography and visual

$150.00
OPTOLONG L-Pro EOS-FF Filter +UHC EOS-FF Astro Filter Set for EOS-C Cameras

OPTOLONG L-Pro EOS-FF Filter +UHC EOS-FF Astro Filter Set for EOS-C Cameras

$209.61
OPTOLONG Urban Area L-Pro EOS-FF Filter +UHC EOS-FF Filter Set for EOS Cameras

OPTOLONG Urban Area L-Pro EOS-FF Filter +UHC EOS-FF Filter Set for EOS Cameras

$222.99
1.25" Telescope Accessory Kit- 5 Plossl Eyepiece,  7 Filter,  a 2x Barlow Lens-USA

1.25" Telescope Accessory Kit- 5 Plossl Eyepiece, 7 Filter, a 2x Barlow Lens-USA

$115.00
New OPTOLONG L-Pro EOS-FF Filter +UHC EOS-FF Filter Set for EOS Cameras us

New OPTOLONG L-Pro EOS-FF Filter +UHC EOS-FF Filter Set for EOS Cameras us

$220.39
OPTOLONG L-Pro&UHC EOS-FF Filter Set for Canon EOS 5D2  EOS 5D3  EOS 6D Cameras

OPTOLONG L-Pro&UHC EOS-FF Filter Set for Canon EOS 5D2 EOS 5D3 EOS 6D Cameras

$256.99
OPTOLONG L-Pro EOS-FF Filter & UHC EOS-FF Filters Set for Canon EOS APS-C Camera

OPTOLONG L-Pro EOS-FF Filter & UHC EOS-FF Filters Set for Canon EOS APS-C Camera

$225.99