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250mm x 250mm (10" x 10")
We introduce this high-quality
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Explore Scientific Shroud for 10" and 12" Truss Tube DOB
Astrozap Off-Axis Glass Solar Filter 283mm-289mm Focal Length_400 - 599mm 250mm x 250mm (10" xAstrozap 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
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