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Solar Filters

Safely observe the sun, sunspots, and solar eclipses with precision-engineered filtration designed for your telescope.

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170 products

Filters
Spectrum Chromium Film Solar Filter 11.50" ID – ST1150CBP1
Spectrum Chromium Film Solar Filter 11.50" ID – ST1150CBP1 Sale price$186.95
Spectrum Chromium Film Solar Filter 10.75" ID – ST1075CBP1
Spectrum Chromium Film Solar Filter 10.75" ID – ST1075CBP1 Sale price$186.95
Spectrum Chromium Film Solar Filter 10.50" ID – ST1050CBP1
Spectrum Chromium Film Solar Filter 10.50" ID – ST1050CBP1 Sale price$156.95
Spectrum Chromium Film Solar Filter 10.00" ID – ST1000CBP1
Spectrum Chromium Film Solar Filter 10.00" ID – ST1000CBP1 Sale price$156.95
Spectrum Off-Axis Glass Solar Filter 9.75" ID – ST975GOA
Spectrum Off-Axis Glass Solar Filter 9.75" ID – ST975GOA Sale price$197.95
Spectrum Off-Axis Glass Solar Filter 9.50" ID – ST950GOA
Spectrum Off-Axis Glass Solar Filter 9.50" ID – ST950GOA Sale price$197.95
Spectrum Off-Axis Glass Solar Filter ID – ST9312GOA
Spectrum Off-Axis Glass Solar Filter ID – ST9312GOA Sale price$199.95
Spectrum Off-Axis Glass Solar Filter 16.00" ID – ST1600GOA
Spectrum Off-Axis Glass Solar Filter 16.00" ID – ST1600GOA Sale price$266.95
Spectrum Off-Axis Glass Solar Filter 15.75" ID – ST1575GOA
Spectrum Off-Axis Glass Solar Filter 15.75" ID – ST1575GOA Sale price$266.95
Spectrum Off-Axis Glass Solar Filter 15.25" ID – ST1525GOA
Spectrum Off-Axis Glass Solar Filter 15.25" ID – ST1525GOA Sale price$266.95
Spectrum Off-Axis Glass Solar Filter 14.50" ID – ST1450GOA
Spectrum Off-Axis Glass Solar Filter 14.50" ID – ST1450GOA Sale price$246.95
Spectrum Off-Axis Glass Solar Filter 13.75" ID – ST1375GOA
Spectrum Off-Axis Glass Solar Filter 13.75" ID – ST1375GOA Sale price$246.95
Spectrum Off-Axis Glass Solar Filter 13.00" ID – ST1300GOA
Spectrum Off-Axis Glass Solar Filter 13.00" ID – ST1300GOA Sale price$246.95
Spectrum Off-Axis Glass Solar Filter 12.50" ID – ST1250GOA
Spectrum Off-Axis Glass Solar Filter 12.50" ID – ST1250GOA Sale price$246.95
Spectrum Off-Axis Glass Solar Filter 12.00" ID – ST1200GOA
Spectrum Off-Axis Glass Solar Filter 12.00" ID – ST1200GOA Sale price$239.95
Spectrum Off-Axis Glass Solar Filter 11.50" ID – ST1150GOA
Spectrum Off-Axis Glass Solar Filter 11.50" ID – ST1150GOA Sale price$216.95
Spectrum Off-Axis Glass Solar Filter 10.75" ID – ST1075GOA
Spectrum Off-Axis Glass Solar Filter 10.75" ID – ST1075GOA Sale price$216.95
Spectrum Off-Axis Glass Solar Filter 10.50" ID – ST1050GOA
Spectrum Off-Axis Glass Solar Filter 10.50" ID – ST1050GOA Sale price$196.95
Spectrum Off-Axis Glass Solar Filter 10.00" ID – ST1000GOA
Spectrum Off-Axis Glass Solar Filter 10.00" ID – ST1000GOA Sale price$196.95
Spectrum Full-Aperture Glass Solar Filter 9.75" ID – ST975G
Spectrum Full-Aperture Glass Solar Filter 9.75" ID – ST975G Sale price$176.95
Spectrum Full-Aperture Glass Solar Filter 9.50" ID – ST950G
Spectrum Full-Aperture Glass Solar Filter 9.50" ID – ST950G Sale price$176.95
Spectrum Full-Aperture Glass Solar Filter ID – ST9312G
Spectrum Full-Aperture Glass Solar Filter ID – ST9312G Sale price$176.95
Spectrum Full-Aperture Glass Solar Filter 8.75" ID – ST875G
Spectrum Full-Aperture Glass Solar Filter 8.75" ID – ST875G Sale price$146.95
Spectrum Full-Aperture Glass Solar Filter ID – ST8377G
Spectrum Full-Aperture Glass Solar Filter ID – ST8377G Sale price$146.95
Spectrum Full-Aperture Glass Solar Filter ID – ST8376G
Spectrum Full-Aperture Glass Solar Filter ID – ST8376G Sale price$146.95
Spectrum Full-Aperture Glass Solar Filter 8.00" ID – ST800G
Spectrum Full-Aperture Glass Solar Filter 8.00" ID – ST800G Sale price$146.95
Spectrum Full-Aperture Glass Solar Filter 7.50" ID – ST750G
Spectrum Full-Aperture Glass Solar Filter 7.50" ID – ST750G Sale price$146.95
Spectrum Full-Aperture Glass Solar Filter 7.12" ID – ST712G
Spectrum Full-Aperture Glass Solar Filter 7.12" ID – ST712G Sale price$146.95
Spectrum Full-Aperture Glass Solar Filter 6.50" ID – ST650G
Spectrum Full-Aperture Glass Solar Filter 6.50" ID – ST650G Sale price$136.95
Spectrum Full-Aperture Glass Solar Filter 6.25" ID – ST625G
Spectrum Full-Aperture Glass Solar Filter 6.25" ID – ST625G Sale price$136.95
Spectrum Full-Aperture Glass Solar Filter 5.25" ID – ST525G
Spectrum Full-Aperture Glass Solar Filter 5.25" ID – ST525G Sale price$116.95
Spectrum Full-Aperture Glass Solar Filter 5.00" ID – ST500G
Spectrum Full-Aperture Glass Solar Filter 5.00" ID – ST500G Sale price$116.95
Spectrum Full-Aperture Glass Solar Filter 3.50" ID – ST350G
Spectrum Full-Aperture Glass Solar Filter 3.50" ID – ST350G Sale price$106.95
Spectrum Full-Aperture Glass Solar Filter 3.00" ID – ST300G
Spectrum Full-Aperture Glass Solar Filter 3.00" ID – ST300G Sale price$106.95
Spectrum Full-Aperture Glass Solar Filter 2.75" ID – ST275G
Spectrum Full-Aperture Glass Solar Filter 2.75" ID – ST275G Sale price$106.95
Spectrum Full-Aperture Glass Solar Filter 2.50" ID – ST250G
Spectrum Full-Aperture Glass Solar Filter 2.50" ID – ST250G Sale price$96.95
Spectrum Full-Aperture Glass Solar Filter 2.25" ID – ST225G
Spectrum Full-Aperture Glass Solar Filter 2.25" ID – ST225G Sale price$96.95
Spectrum Full-Aperture Glass Solar Filter 2.00" ID – ST200G
Spectrum Full-Aperture Glass Solar Filter 2.00" ID – ST200G Sale price$96.95
Spectrum Full-Aperture Glass Solar Filter 16.00" ID – ST1600G
Spectrum Full-Aperture Glass Solar Filter 16.00" ID – ST1600G Sale price$266.95
Spectrum Full-Aperture Glass Solar Filter 15.75" ID – ST1575G
Spectrum Full-Aperture Glass Solar Filter 15.75" ID – ST1575G Sale price$266.95
Spectrum Full-Aperture Glass Solar Filter 15.25" ID – ST1525G
Spectrum Full-Aperture Glass Solar Filter 15.25" ID – ST1525G Sale price$236.95
Spectrum Full-Aperture Glass Solar Filter 14.50" ID – ST1450G
Spectrum Full-Aperture Glass Solar Filter 14.50" ID – ST1450G Sale price$236.95
Spectrum Full-Aperture Glass Solar Filter 13.75" ID – ST1375G
Spectrum Full-Aperture Glass Solar Filter 13.75" ID – ST1375G Sale price$236.95
Spectrum Full-Aperture Glass Solar Filter 13.00" ID – ST1300G
Spectrum Full-Aperture Glass Solar Filter 13.00" ID – ST1300G Sale price$236.95
Spectrum Full-Aperture Glass Solar Filter 12.50" ID – ST1250G
Spectrum Full-Aperture Glass Solar Filter 12.50" ID – ST1250G Sale price$236.95
Spectrum Full-Aperture Glass Solar Filter 12.00" ID – ST1200G
Spectrum Full-Aperture Glass Solar Filter 12.00" ID – ST1200G Sale price$239.95
Spectrum Full-Aperture Glass Solar Filter 11.50" ID – ST1150G
Spectrum Full-Aperture Glass Solar Filter 11.50" ID – ST1150G Sale price$196.95
Spectrum Full-Aperture Glass Solar Filter 10.75" ID – ST1075G
Spectrum Full-Aperture Glass Solar Filter 10.75" ID – ST1075G Sale price$196.95