Off-Axis Glass Solar Filter
Spectrum Off-Axis Glass Solar Filter uses an off-axis aperture to reduce effective aperture while maintaining safe solar viewing. This design can help minimize daytime atmospheric turbulence and is a practical option for larger telescope tubes.
- Off-axis glass solar filter design
- Secure aluminum cell with thumb screw and felt padding
- Natural yellow-orange solar image
- Useful for solar eclipses, sunspots, and granulation
Filters
Spectrum Off-Axis Glass Solar Filter 9.75" ID – ST975GOA
Sale price$197.95
Spectrum Off-Axis Glass Solar Filter 9.50" ID – ST950GOA
Sale price$197.95
Spectrum Off-Axis Glass Solar Filter ID – ST9312GOA
Sale price$199.95
Spectrum Off-Axis Glass Solar Filter 16.00" ID – ST1600GOA
Sale price$266.95
Spectrum Off-Axis Glass Solar Filter 15.75" ID – ST1575GOA
Sale price$266.95
Spectrum Off-Axis Glass Solar Filter 15.25" ID – ST1525GOA
Sale price$266.95
Spectrum Off-Axis Glass Solar Filter 14.50" ID – ST1450GOA
Sale price$246.95
Spectrum Off-Axis Glass Solar Filter 13.75" ID – ST1375GOA
Sale price$246.95
Spectrum Off-Axis Glass Solar Filter 13.00" ID – ST1300GOA
Sale price$246.95
Spectrum Off-Axis Glass Solar Filter 12.50" ID – ST1250GOA
Sale price$246.95
Spectrum Off-Axis Glass Solar Filter 12.00" ID – ST1200GOA
Sale price$239.95
Spectrum Off-Axis Glass Solar Filter 11.50" ID – ST1150GOA
Sale price$216.95
Spectrum Off-Axis Glass Solar Filter 10.75" ID – ST1075GOA
Sale price$216.95
Spectrum Off-Axis Glass Solar Filter 10.50" ID – ST1050GOA
Sale price$196.95
Spectrum Off-Axis Glass Solar Filter 10.00" ID – ST1000GOA
Sale price$196.95