Spectrum 10" Full Aperture Glass Solar Filter- 244MM to 251MM
The 10" Full Aperture Glass Solar Filter from Spectrum has been designed to fit telescopes with an OD range of 244mm to 251mm, and operates as a white light filter. This filter is a full aperture design, which means that it is designed to let you make full and complete use of the aperture of the telescope it has been attached to. It is suitable for any scope with an aperture between 244mm and 251mm. This translates to a range of 9.6" to 9.8" for optimal use.