Category · 433 models

Telescope filters

Specifications for 433 telescope filters: narrowband, broadband, light pollution, UV/IR cut and solar filters. Compare models side by side and see where to buy.

• Antlia 2.5nm Ha Ultra Filter Set - 36mm UnmountedAntlia$465
• Antlia 2.5nm Ha Ultra Filters Set - 2" MountedAntlia$590
• Antlia 2.5nm OIII Ultra Filter Set - 36mm UnmountedAntlia$465
• Antlia 2.5nm OIII Ultra Filters Set - 2" MountedAntlia$590
• Antlia 2.5nm SII Ultra Filter Set - 36mm UnmountedAntlia$465
• Antlia 2.5nm SII Ultra Filters Set - 2" MountedAntlia$590
• Antlia 3nm Narrowband H-alpha (Ha) Pro Filter - 1.25" MountedAntlia$255
• Antlia 3nm Narrowband H-alpha (Ha) Pro Filter - 2" MountedAntlia$395
• Antlia 3nm Narrowband H-alpha (Ha) Pro Filter - 36mm UnmountedAntlia$310
• Antlia 3nm Narrowband H-alpha (Ha) Pro Filter - 50mm UnmountedAntlia$490
• Antlia 3nm Narrowband Oxygen III (OIII) Pro Filter - 1.25" MountedAntlia$255
• Antlia 3nm Narrowband Oxygen III (OIII) Pro Filter - 2" MountedAntlia$395
• Antlia 3nm Narrowband Oxygen III (OIII) Pro Filter - 36mm UnmountedAntlia$310
• Antlia 3nm Narrowband Sulfur II (SII) Pro Filter - 1.25" MountedAntlia$255
• Antlia 3nm Narrowband Sulfur II (SII) Pro Filter - 2" MountedAntlia$395
• Antlia 3nm Narrowband Sulfur II (SII) Pro Filter - 36mm UnmountedAntlia$310
• Antlia 4.5nm Narrowband H-alpha (Ha) EDGE Filter - 2" MountedAntlia$290
• Antlia 4.5nm Narrowband H-alpha (Ha) EDGE Filter - 36mm UnmountedAntlia$225
• Antlia 4.5nm Narrowband Oxygen III (OIII) EDGE Filter - 36mm UnmountedAntlia$225
• Antlia 4.5nm Narrowband Sulfur II (SII) EDGE Filter - 2" MountedAntlia$290
• Antlia 4.5nm Narrowband Sulfur II (SII) EDGE Filter - 36mm UnmountedAntlia$225
• Antlia 7nm Narrowband H-alpha (Ha) Prime Filter - 36mm UnmountedAntlia$158
• Antlia 7nm Narrowband Oxygen III (OIII) Prime Filter - 36mm UnmountedAntlia$158
• Antlia 7nm Narrowband Sulfur II (SII) Prime Filter - 36mm UnmountedAntlia$158
• Antlia 8-EL UHC Pro Visual Enhanced Filter - 2" MountedAntlia$119
• Antlia ALP-T Dual Band 3nm SII&OIII Filter - 2" MountedAntlia$390
• Antlia ALP-T Dual Band 5nm Ha&OIII Filter 2" MountedAntlia$380
• Antlia ALP-T Dual Band 5nm Ha&OIII Filter&B4836 - 36mm UnmountedAntlia$298
• Antlia ALP-T Dual Band 5nm Ha&OIII Highspeed Filter - 2" MountedAntlia$380
• Antlia ALP-T Dual Band 5nm Ha&OIII Highspeed Filter&B4836 - 36mm UnmountedAntlia$298
• Antlia ALP-T Dual Band 5nm SII&H-beta Filter 2" MountedAntlia$350
• Antlia ALP-T Dualband 3.5nm SII&H-beta Filter 2" MountedAntlia$360
• Antlia ALP-T Dualband 3nm Ha&OIII Filter 2" MountedAntlia$390
• Antlia CaK 3nm 393.3nm Filter - 1.25" MountedAntlia$269
• Antlia H-Beta 3nm Pro Narrowband Filter - 2" MountedAntlia$395
• Antlia H-beta and OIII Filter - 1.25"Antlia$99
• Antlia H-beta and OIII Filter - 2"Antlia
• Antlia IR Pass 685nm Planetary Filter - 1.25" MountedAntlia$39
• Antlia IR Pass 850nm Planetary Filter - 1.25" MountedAntlia$39
• Antlia LRGB-V Pro Series Filters - 1.25" MountedAntlia$300
• Antlia LRGB-V Pro Series Filters - 2" MountedAntlia$470
• Antlia LRGB-V Pro Series Filters - 36mm UnmountedAntlia$360
• Antlia LRGBR+ Dark Series Filters - 36mm UnmountedAntlia$500
• Antlia Methane (CH4) Filter - 1.25" MountedAntlia$169
• Antlia NII 3nm Pro Narrowband Filter - 2" MountedAntlia$395
• Antlia Photometric Sloan g' Filter - 50mmAntlia
• Antlia Photometric Sloan i' Filter - 50mmAntlia
• Antlia Photometric Sloan r' Filter - 50mmAntlia
• Antlia Photometric Sloan z' Filter - 50mmAntlia
• Antlia Quad Band Anti-Light Pollution Filter - 2" MountedAntlia$198
• Antlia Triband RGB Ultra Filter II - 2" MountedAntlia$179
• Antlia U-Venus Filter - 1.25"Antlia$199
• Askar Colour Magic 3nm D1Askar
• Askar Colour Magic C1Askar
• Askar Colour Magic C2Askar
• Askar Colour Magic Super D1Askar
• Askar Colour Magic Super D2Askar
• Astro-Tech #12 Medium Yellow 1.25" Color FilterAstro-Tech$12
• Astro-Tech #21 Orange 1.25" Color FilterAstro-Tech$12
• Astro-Tech #23A Light Red 1.25" Color FilterAstro-Tech$12
• Astro-Tech #29 Dark Red 1.25" Color FilterAstro-Tech$12
• Astro-Tech #47 Violet 1.25" Color FilterAstro-Tech$12
• Astro-Tech #56 Light Green 1.25" Color FilterAstro-Tech$12
• Astro-Tech #58 Dark Green 1.25" Color FilterAstro-Tech$12
• Astro-Tech 1.25" #ND9 13% Transmission Neutral Density Grey Moon FilterAstro-Tech$13
• Astro-Tech 2" CrystalView Moon FilterAstro-Tech$20
• Astronomik CLS 1.25" (M28.5)Astronomik
• Astronomik CLS 2" (M48)Astronomik
• Astronomik CLS CCD 1.25" (M28.5)Astronomik
• Astronomik CLS CCD 36mmAstronomik
• Astronomik CLS CCD Clip-Filter EOS APS-CAstronomik
• Astronomik CLS CCD Clip-Filter EOS MAstronomik
• Astronomik CLS CCD Clip-Filter EOS R XLAstronomik
• Astronomik CLS CCD Clip-Filter Nikon Z XLAstronomik
• Astronomik CLS CCD Clip-Filter Sony alpha 7Astronomik
• Astronomik CLS Clip-Filter EOS APS-CAstronomik
• Astronomik CLS Clip-Filter EOS R XLAstronomik
• Astronomik CLS Clip-Filter EOS XLAstronomik
• Astronomik CLS Clip-Filter Nikon Z XLAstronomik
• Astronomik CLS SC Rear Cell (2" / 24TPI)Astronomik
• Astronomik CLS T-Mount (M42x0.75)Astronomik
• Astronomik Dark-Filter 1.25" (M28.5)Astronomik
• Astronomik Dark-Filter 2" (M48)Astronomik
• Astronomik Deep-Sky RGB Filterset 1.25" (M28.5)Astronomik
• Astronomik Deep-Sky RGB Filterset 2" (M48)Astronomik
• Astronomik Deep-Sky RGB Filterset 31mmAstronomik
• Astronomik Deep-Sky RGB Filterset 36mmAstronomik
• Astronomik Deep-Sky RGB Filterset 42mm, unmountedAstronomik
• Astronomik Deep-Sky RGB Filterset 50mmAstronomik
• Astronomik H-alpha 12nm 2" (M48)Astronomik
• Astronomik H-alpha 12nm Clip-Filter EOS R XLAstronomik
• Astronomik H-alpha 12nm Clip-Filter EOS XLAstronomik
• Astronomik H-alpha 12nm Clip-Filter Nikon Z XLAstronomik
• Astronomik H-alpha 12nm Clip-Filter Sony alpha 7Astronomik
• Astronomik H-alpha 6nm 2" (M48)Astronomik
• Astronomik H-beta visual 1.25" (M28.5)Astronomik
• Astronomik H-beta visual 2" (M48)Astronomik
• Astronomik H-beta visual SC Rear Cell (2" / 24TPI)Astronomik
• Astronomik H-beta visual T-Mount (M42x0.75)Astronomik
• Astronomik HSO 6nm Filterset 1.25" (M28.5)Astronomik
• Astronomik HSO 6nm Filterset 2" (M48)Astronomik
• Astronomik HSO 6nm Filterset 36mmAstronomik
• Astronomik L-1 UV-IR Block 1.25" (M28.5)Astronomik
• Astronomik L-1 UV-IR Block 2" (M48)Astronomik
• Astronomik L-1 UV-IR Block 36mmAstronomik
• Astronomik L-2 UV-IR Block 2" (M48)Astronomik
• Astronomik L-2 UV-IR Block 36mmAstronomik
• Astronomik L-2 UV-IR Block 50mmAstronomik
• Astronomik L-2 UV-IR Block Clip-Filter EOS APS-CAstronomik
• Astronomik L-2 UV-IR Block Clip-Filter EOS R XLAstronomik
• Astronomik L-2 UV-IR Block Clip-Filter Sony alpha 7Astronomik
• Astronomik L-3 UV-IR Block 1.25" (M28.5)Astronomik
• Astronomik L-RGB Type 2c Filterset 1.25" (M28.5)Astronomik
• Astronomik L-RGB Type 2c Filterset 2" (M48)Astronomik
• Astronomik L-RGB Type 2c Filterset 31mmAstronomik
• Astronomik L-RGB Type 2c Filterset 36mmAstronomik
• Astronomik L-RGB Type 2c Filterset 50mmAstronomik
• Astronomik MC-Clear for Canon EOS 1000D, 40D-250D, 450D-800D, 7D, M, M6 MkIIAstronomik
• Astronomik MC-Clear for Canon EOS 6D, 5Ds, R, RpAstronomik
• Astronomik OIII 6nm 1.25" (M28.5)Astronomik
• Astronomik OIII 6nm 36mmAstronomik
• Astronomik OIII visual 1.25" (M28.5)Astronomik
• Astronomik OIII visual 2" (M48)Astronomik
• Astronomik OIII visual SC Rear Cell (2" / 24TPI)Astronomik
• Astronomik OIII visual T-Mount (M42x0.75)Astronomik
• Astronomik OWB Type 3 Clip-Filter EOS APS-CAstronomik
• Astronomik OWB Type 3 XT Clip-Filter EOS R XLAstronomik
• Astronomik OWB Type 3 XT Clip-Filter Nikon Z XLAstronomik
• Astronomik OWB Type 3 XT Clip-Filter Sony alpha 7Astronomik
• Astronomik ProPlanet 642 BP 1.25" (M28.5)Astronomik
• Astronomik ProPlanet 742 1.25" (M28.5)Astronomik
• Astronomik SII 12nm 2" (M48)Astronomik
• Astronomik SII 6nm 2" (M48)Astronomik
• Astronomik UHC 1.25" (M28.5)Astronomik
• Astronomik UHC 2" (M48)Astronomik
• Astronomik UHC Clip-Filter EOS R XLAstronomik
• Astronomik UHC Clip-Filter Nikon Z XLAstronomik
• Astronomik UHC Clip-Filter Sony alpha 7Astronomik
• Astronomik UHC SC Rear Cell (2" / 24TPI)Astronomik
• Astronomik UHC T-Mount (M42x0.75)Astronomik
• Astronomik UHC XT Clip-Filter EOS APS-CAstronomik
• Astronomik UHC-E 1.25" (M28.5)Astronomik
• Astronomik UHC-E 2" (M48)Astronomik
• Astronomik UHC-E Clip-Filter Sony alpha 7Astronomik
• Astronomik UHC-E SC Rear Cell (2" / 24TPI)Astronomik
• Astronomik UHC-E T-Mount (M42x0.75)Astronomik
• Baader Planetarium 3.5 / 4nm Ultra-Narrowband Filter-Set – CMOS-optimized (H-alpha / O-III / S-II)Baader Planetarium
• Baader Planetarium 6.5nm Narrowband Filter-Set – CMOS-optimized (H-alpha / O-III / S-II)Baader Planetarium
• Baader Planetarium 7.5nm Solar Continuum Filter (540nm)Baader Planetarium
• Baader Planetarium ASBF AstroSolar Binocular Filter OD 5.0Baader Planetarium
• Baader Planetarium ASSF AstroSolar Spotting Scope Filter OD 5.0Baader Planetarium
• Baader Planetarium ASTF AstroSolar Telescope Filter OD 5.0Baader Planetarium
• Baader Planetarium BDSF OD 3.8 Baader Digital Solar FilterBaader Planetarium
• Baader Planetarium Calcium GEN-II Filter 1¼"Baader Planetarium
• Baader Planetarium Clearglass Filter (C)Baader Planetarium
• Baader Planetarium Colour Filter Dark BlueBaader Planetarium
• Baader Planetarium Colour Filter GreenBaader Planetarium
• Baader Planetarium Colour Filter Light BlueBaader Planetarium
• Baader Planetarium Colour Filter OrangeBaader Planetarium
• Baader Planetarium Colour Filter RedBaader Planetarium
• Baader Planetarium Colour Filter YellowBaader Planetarium
• Baader Planetarium Contrast Booster FilterBaader Planetarium
• Baader Planetarium Fringe Killer Color Correction-FilterBaader Planetarium
• Baader Planetarium H-alpha Narrowband-Filter (6.5nm) – CMOS-optimizedBaader Planetarium
• Baader Planetarium H-alpha Ultra-Narrowband-Filter (3.5nm) – CMOS-optimizedBaader Planetarium
• Baader Planetarium Neodymium (Moon & Skyglow) FilterBaader Planetarium
• Baader Planetarium O-III Narrowband-Filter (6.5nm) – CMOS-optimizedBaader Planetarium
• Baader Planetarium O-III Ultra-Narrowband-Filter (4nm) – CMOS-optimizedBaader Planetarium
• Baader Planetarium RGB Filter Set – CMOS-optimizedBaader Planetarium
• Baader Planetarium S-II Narrowband-Filter (6.5nm) – CMOS-optimizedBaader Planetarium
• Baader Planetarium S-II Ultra-Narrowband-Filter (4nm) – CMOS-optimizedBaader Planetarium
• Baader Planetarium Semi APO FilterBaader Planetarium
• Baader Planetarium SLOAN/SDSS (ugriz') Filter Set – photometricBaader Planetarium
• Baader Planetarium SunDancer II H-alpha FilterBaader Planetarium
• Baader Planetarium U-Venus-Filter (350nm)Baader Planetarium
• Baader Planetarium UHC-L / Ultra-L-Booster-FilterBaader Planetarium
• Baader Planetarium UV/IR-Cut / L-Filter – CMOS-optimizedBaader Planetarium
• Celestron EclipSmart Solar Filter 6" SCT/EdgeHDCelestron
• Celestron EclipSmart Solar Filter 8" SCT/EdgeHDCelestron
• Celestron EclipSmart Solar Filter for AstroMaster 130EQCelestron
• Celestron EclipSmart Universal Solar FilterCelestron$22
• Celestron Moon Filter 1.25"Celestron
• Celestron Moon Filter Kit 1.25"Celestron
• Celestron Nebula Filter for OriginCelestron$219
• Celestron Origin Nebula FilterCelestron$199
• Celestron Oxygen III Narrowband Filter 1.25"Celestron
• Celestron Oxygen III Narrowband Filter 2"Celestron
• Celestron UHC/LPR Filter 1.25"Celestron
• Celestron UHC/LPR Filter 2"Celestron
• DwarfLab DWARF 3 Solar FilterDwarfLab$49
• DwarfLab DWARF mini ND FilterDwarfLab$39
• Explore Scientific Nebula Filter CLS 1.25-inchExplore Scientific$110
• Explore Scientific Nebula Filter CLS 2.0-inchExplore Scientific$120
• Explore Scientific Nebula Filter H-Alpha 1.25-inch 12nmExplore Scientific$160
• Explore Scientific Nebula Filter H-Alpha 1.25-inch 7nmExplore Scientific$175
• Explore Scientific Nebula Filter H-Alpha 2-inch 12nmExplore Scientific$199
• Explore Scientific Nebula Filter H-Alpha 2-inch 7nmExplore Scientific$259
• Explore Scientific Nebula Filter H-Beta 1.25-inchExplore Scientific$130
• Explore Scientific Nebula Filter H-Beta 2.0-inchExplore Scientific$180
• Explore Scientific Nebula Filter Oxygen III 1.25-inchExplore Scientific$110
• Explore Scientific Nebula Filter Oxygen III 1.25-inch 6.5nmExplore Scientific$160
• Explore Scientific Nebula Filter Oxygen III 2-inch 6.5nmExplore Scientific$250
• Explore Scientific Nebula Filter Oxygen III 2.0-inchExplore Scientific$140
• Explore Scientific Nebula Filter S-II 1.25-inch 12nmExplore Scientific$150
• Explore Scientific Nebula Filter S-II 1.25-inch 6.5nmExplore Scientific$160
• Explore Scientific Nebula Filter S-II 2-inch 12nmExplore Scientific$210
• Explore Scientific Nebula Filter S-II 2-inch 6.5nmExplore Scientific$250
• Explore Scientific Nebula Filter UHC 1.25-inchExplore Scientific$110
• Explore Scientific Nebula Filter UHC 2.0-inchExplore Scientific$140
• Explore Scientific Neutral Density Filter 1.25" ND 0.9Explore Scientific$50
• Explore Scientific Neutral Density Filter 2" ND 0.9Explore Scientific$60
• Explore Scientific Sun Catcher Variable Large Aperture Solar FilterExplore Scientific$20
• GSO #11 Yellow/Green Filter 1.25"GSO
• GSO #12 Deep Yellow Filter 1.25"GSO
• GSO #15A Dark Yellow Filter 1.25"GSO
• GSO #21 Orange Filter 1.25"GSO
• GSO #23A Light Red Filter 1.25"GSO
• GSO #25 Red Filter 1.25"GSO
• GSO #29 Dark Red Filter 1.25"GSO
• GSO #38A Dark Blue Filter 1.25"GSO
• GSO #47 Violet Filter 1.25"GSO
• GSO #56 Light Green Filter 1.25"GSO
• GSO #58 Dark Green Filter 1.25"GSO
• GSO #8 Light Yellow Filter 1.25"GSO
• GSO #80A Medium Blue Filter 1.25"GSO
• GSO #82A Light Blue Filter 1.25"GSO
• GSO #96ND 13% T Neutral Density Filter 1.25"GSO
• GSO #96ND 25% T Neutral Density Filter 1.25"GSO
• GSO #96ND 50% T Neutral Density Filter 1.25"GSO
• GSO Color Filter 4 in 1 PackageGSO
• GSO MOON Filter 1.25"GSO
• Meade Instruments Series 4000 #11 Yellow-Green Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #12 Yellow Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #21 Orange Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #23A Light Red Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #25A Red Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #38A Dark Blue Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #47 Violet Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #56 Green Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #58 Green Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #8 Light Yellow Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #80A Blue Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #82A Light Blue Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #905 Variable Polarizing Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #908B Broadband Nebular Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 #908N Narrowband Nebular Filter 1.25"Meade Instruments
• Meade Instruments Series 4000 Color Filter Set #1 1.25"Meade Instruments
• Meade Instruments Series 4000 Color Filter Set #2 1.25"Meade Instruments
• Meade Instruments Series 4000 Color Filter Set #3 1.25"Meade Instruments
• Meade Instruments Series 4000 Moon / Neutral Density Filter 1.25"Meade Instruments
• Optolong 1.25" L-eNhance Deep-Sky Light Pollution FilterOptolong$179
• Optolong 1.25" L-eXtreme Deep-Sky Light Pollution FilterOptolong$239
• Optolong 1.25" L-Pro Deep-Sky Light Pollution FilterOptolong$149
• Optolong 2" L-eNhance Deep-Sky Light Pollution FilterOptolong$229
• Optolong 2" L-eXtreme Deep-Sky Light Pollution FilterOptolong$309
• Optolong 2" L-Pro Deep-Sky Light Pollution FilterOptolong$199
• Optolong Clear Focusing 1.25"Optolong$24
• Optolong Clear Focusing 2"Optolong$31
• Optolong Clear Sky M77Optolong$165
• Optolong Clear Sky M82Optolong$205
• Optolong Clear Sky NK-Z ClipOptolong$99
• Optolong CLS 1.25"Optolong$55
• Optolong CLS 2"Optolong$85
• Optolong CLS-CCD 1.25"Optolong$96
• Optolong CLS-CCD 2"Optolong$159
• Optolong H-Alpha 3nm 2"Optolong
• Optolong H-Alpha 3nm 36mmOptolong
• Optolong H-Alpha 7nm 1.25"Optolong$175
• Optolong H-Alpha 7nm 2"Optolong$259
• Optolong H-Alpha 7nm 31mmOptolong$190
• Optolong H-Alpha 7nm 36mmOptolong$193
• Optolong H-Alpha 7nm 50mmOptolong
• Optolong H-Alpha 7nm 50x50mmOptolong
• Optolong H-Beta 1.25"Optolong$90
• Optolong H-Beta 2"Optolong$139
• Optolong IR Pass 685 1.25"Optolong$79
• Optolong IR Pass 685 2"Optolong$119
• Optolong L-eNhance 1.25"Optolong$179
• Optolong L-eNhance 2"Optolong$229
• Optolong L-eNhance EOS-COptolong$259
• Optolong L-eXtreme 1.25"Optolong$239
• Optolong L-eXtreme 2"Optolong$309
• Optolong L-eXtreme EOS-R ClipOptolong$259
• Optolong L-eXtreme F2 2"Optolong$308
• Optolong L-eXtreme NK-Z ClipOptolong$259
• Optolong L-eXtreme Sony-FF ClipOptolong$259
• Optolong L-Para 2"Optolong$259
• Optolong L-Pro 1.25"Optolong$149
• Optolong L-Pro 2"Optolong$199
• Optolong L-Pro EOS-C ClipOptolong$249
• Optolong L-Pro EOS-FF ClipOptolong$269
• Optolong L-Pro EOS-R ClipOptolong$249
• Optolong L-Pro M77Optolong$289
• Optolong L-Pro NK-FF ClipOptolong$269
• Optolong L-Pro NK-Z ClipOptolong$249
• Optolong L-Pro Sony-FF ClipOptolong$269
• Optolong L-Quad Enhance Filter 2"Optolong$199
• Optolong L-Synergy 2"Optolong$309
• Optolong L-Ultimate 1.25"Optolong$289
• Optolong L-Ultimate 2"Optolong$389
• Optolong LRGB Filter Kit 1.25"Optolong$249
• Optolong LRGB Filter Kit 2"Optolong$359
• Optolong LRGB Filter Kit 31mmOptolong$291
• Optolong LRGB Filter Kit 36mmOptolong$299
• Optolong Moon & Skyglow 1.25"Optolong$32
• Optolong Moon & Skyglow 2"Optolong$48
• Optolong ND3.0 1.25"Optolong$49
• Optolong ND3.0 2"Optolong$79
• Optolong Night Sky H-Alpha 1.25"Optolong$79
• Optolong Night Sky H-Alpha 2"Optolong$119
• Optolong OIII 18nm 1.25"Optolong$78
• Optolong OIII 18nm 2"Optolong$108
• Optolong OIII 3nm 2"Optolong
• Optolong OIII 3nm 36mmOptolong
• Optolong OIII 6.5nm 1.25"Optolong$159
• Optolong OIII 6.5nm 2"Optolong$255
• Optolong OIII 6.5nm 31mmOptolong$189
• Optolong OIII 6.5nm 36mmOptolong$195
• Optolong OIII 6.5nm 50mmOptolong
• Optolong OIII 6.5nm 50x50mmOptolong
• Optolong Planetary Filters Kit 1.25"Optolong$259
• Optolong Planetary Filters Kit 2"Optolong$379
• Optolong SII 3nm 2"Optolong
• Optolong SII 3nm 36mmOptolong
• Optolong SII 6.5nm 1.25"Optolong$159
• Optolong SII 6.5nm 2"Optolong$250
• Optolong SII 6.5nm 31mmOptolong$193
• Optolong SII 6.5nm 36mmOptolong$199
• Optolong SII 6.5nm 50mmOptolong
• Optolong SII 6.5nm 50x50mmOptolong
• Optolong UBVRcIc Photometric Filters 1.25"Optolong$685
• Optolong UBVRcIc Photometric Filters 2"Optolong$830
• Optolong UBVRcIc Photometric Filters 36mmOptolong$745
• Optolong UHC 1.25"Optolong$55
• Optolong UHC 2"Optolong$85
• Optolong UHC EOS-C ClipOptolong
• Optolong UHC EOS-FF ClipOptolong
• Optolong UHC M77Optolong$188
• Optolong UHC NK-FF ClipOptolong
• Optolong UV/IR Cut 1.25"Optolong$44
• Optolong UV/IR Cut 2"Optolong$65
• Optolong UV/IR Cut 31mmOptolong$55
• Optolong UV/IR Cut 36mmOptolong$56
• Optolong Venus-U 1.25"Optolong$192
• Optolong Venus-U 2"Optolong$253
• Orion E-Series Safety Film Solar FilterOrion Telescopes & Binoculars
• Orion H-beta 1.25"Orion Telescopes & Binoculars
• Orion Imaging Filter Set 1.25"Orion Telescopes & Binoculars
• Orion Moon Filter 1.25"Orion Telescopes & Binoculars
• Orion OIII 1.25"Orion Telescopes & Binoculars
• Orion OIII 2"Orion Telescopes & Binoculars
• Orion SkyGlow 1.25"Orion Telescopes & Binoculars
• Orion SkyGlow 2"Orion Telescopes & Binoculars
• Orion UltraBlock 1.25"Orion Telescopes & Binoculars
• Orion UltraBlock 2"Orion Telescopes & Binoculars
• Orion Variable Polarizing Filter 1.25"Orion Telescopes & Binoculars
• Pegasus Astro Ha 7nm Filter 2"Pegasus Astro
• Pegasus Astro Luminance Filter (UV/IR Cut) 2"Pegasus Astro
• Player One Astronomy Anti-Halo 2" UV IR-CUT FilterPlayer One Astronomy$59
• Player One Astronomy Anti-Halo PRO Dual-Band 2" Ha+OIIIPlayer One Astronomy$499
• Player One Astronomy CH4 8nm 1.25" Filter E-seriesPlayer One Astronomy$129
• Player One Astronomy ERF 1.25" Filter S-series for Quark ChromospherePlayer One Astronomy$49
• Player One Astronomy ERF 2" Filter S-series for Quark ChromospherePlayer One Astronomy$89
• Player One Astronomy Ha 7nm Narrowband 1.25" Filter S-seriesPlayer One Astronomy
• Player One Astronomy Ha 7nm Narrowband 2" Filter S-seriesPlayer One Astronomy
• Player One Astronomy IR685nm 1.25" IR-Pass Filter S-seriesPlayer One Astronomy$28
• Player One Astronomy IR850nm 1.25" IR-Pass Filter S-seriesPlayer One Astronomy$28
• Player One Astronomy LRGB 1.25" Filter S-seriesPlayer One Astronomy$148
• Player One Astronomy LRGB 2" Filter S-seriesPlayer One Astronomy$299
• Player One Astronomy OIII 7nm Narrowband 1.25" Filter S-seriesPlayer One Astronomy
• Player One Astronomy OIII 7nm Narrowband 2" Filter S-seriesPlayer One Astronomy
• Player One Astronomy Photosphere 7.5nm 1.25" Filter E-seriesPlayer One Astronomy$99
• Player One Astronomy SII 7nm Narrowband 1.25" Filter S-seriesPlayer One Astronomy
• Player One Astronomy SII 7nm Narrowband 2" Filter S-seriesPlayer One Astronomy
• Player One Astronomy UV IR-CUT 1.25" Filter S-seriesPlayer One Astronomy$22
• Player One Astronomy UVenus 1.25" UV-PASS Filter E-seriesPlayer One Astronomy$149
• STC Astro Multispectra FilterSTC
• ToupTek B Filter 1.25"ToupTek
• ToupTek B Filter 2"ToupTek
• ToupTek B Filter 36mmToupTek
• ToupTek G Filter 1.25"ToupTek
• ToupTek G Filter 2"ToupTek
• ToupTek G Filter 36mmToupTek
• ToupTek Hα 1.25" 7nm Narrowband FilterToupTek
• ToupTek Hα 2" 4nm Narrowband FilterToupTek
• ToupTek Hα 2" 7nm Narrowband FilterToupTek
• ToupTek Hα 36mm 4nm Narrowband FilterToupTek
• ToupTek L Filter 1.25"ToupTek
• ToupTek L Filter 2"ToupTek
• ToupTek L Filter 36mmToupTek
• ToupTek OIII 1.25" 7nm Narrowband FilterToupTek
• ToupTek OIII 2" 4nm Narrowband FilterToupTek
• ToupTek OIII 2" 7nm Narrowband FilterToupTek
• ToupTek OIII 36mm 4nm Narrowband FilterToupTek
• ToupTek PureSight A1 Hα & [OIII] Dual Narrowband 5nm F/3.2ToupTek
• ToupTek R Filter 1.25"ToupTek
• ToupTek R Filter 2"ToupTek
• ToupTek R Filter 36mmToupTek
• ToupTek SII 1.25" 7nm Narrowband FilterToupTek
• ToupTek SII 2" 4nm Narrowband FilterToupTek
• ToupTek SII 2" 7nm Narrowband FilterToupTek
• ToupTek SII 36mm 4nm Narrowband FilterToupTek
• Unistellar Smart Solar Filter (eVscope & eQuinox)Unistellar$249
• Unistellar Smart Solar Filter (Odyssey Pro & Odyssey)Unistellar$199
• Vaonis Solar Observation KitVaonis
• Vaonis Vespera Dual Band FilterVaonis$399
• Vaonis Vespera Light Pollution FilterVaonis$229
• Vaonis Vespera Solar FilterVaonis$179
• ZWO 20nm CH4 Methane FilterZWO$99
• ZWO Duo-Band Filter 1.25"ZWO
• ZWO Duo-Band Filter 2"ZWO
• ZWO Ha 7nm Filter 1.25"ZWO
• ZWO Ha 7nm Filter 2"ZWO
• ZWO Ha 7nm Filter 31mmZWO
• ZWO Ha 7nm Filter 36mmZWO
• ZWO IR 850nm Pass FilterZWO$29
• ZWO LRGB Filter Set 1.25"ZWO
• ZWO LRGB Filter Set 2"ZWO
• ZWO LRGB Filter Set 36mmZWO
• ZWO Narrowband 7nm Filter Set 1.25"ZWO
• ZWO Narrowband 7nm Filter Set 2"ZWO
• ZWO Narrowband 7nm Filter Set 31mmZWO
• ZWO Narrowband 7nm Filter Set 36mmZWO
• ZWO OIII 7nm Filter 1.25"ZWO
• ZWO OIII 7nm Filter 2"ZWO
• ZWO OIII 7nm Filter 31mmZWO
• ZWO OIII 7nm Filter 36mmZWO
• ZWO SII 7nm Filter 1.25"ZWO
• ZWO SII 7nm Filter 2"ZWO
• ZWO SII 7nm Filter 31mmZWO
• ZWO SII 7nm Filter 36mmZWO
• ZWO UV/IR Cut Filter 1.25"ZWO
• ZWO UV/IR Cut Filter 2"ZWO