Baader - 240mm Aperture AstroSolar Telescope Filter

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  • The ASTF-240 Baader White Light Solar Filter is designed to fit telescopes with an aperture of 230-250mm.  Adjustable clamps allow this filter to attach to telescopes with an inner diameter of 290-330mm or an outer tube diameter of 260-300mm.

  • This solar filter will fit most Celestron 9.25" telescopes.  Be sure to measure the diameter of your tube to ensure the best fit.

  • The AstroSolar filters for telescopes include a temperature compensated cell to avoid stress under temperature changes.

  • Safely view the Sun in true color.  White light filters produce a white disc image of the Sun and are excellent for observing surface details like sun spots or solar phenomena like eclipses and transits.

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