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fully baffled 2 element telecentric 4
Up to 10 hours of battery
10 fits 12" diameter tubes
Explore Scientific 82° 8
Explore Scientific 4
Astrozap Off-Axis Glass Solar Filter 340mm-346mm Half Edited fully baffled 2 element telecentricAstrozap Off Axis Glass Solar Filter These are safe off axis solar telescope filters. An off axis solar filter blocks light into the telescope by only allowing light through a small portion of glass that is off center. By reducing the aperture the image is not darker but the visibility of daytime atmospheric turbulence is reduced. This premium off axis solar filter has an aluminum cell that is secured and centered to the tube end of the telescope with