Astro Engineering safe solar observing filter (with free observing guide!)from £27.99. The filter comprises a rigid aluminium mounting with three attachment screws with specially reinforced threaded bosses that fit over the front of the telescope objective or tube to allow safe, full aperture, solar viewing.

The flexible filter material is tough Mylar based Astro-Solar film by Baader, and allows the telscope to be used to safely observe and monitor white-light solar phenomena (sun spots, faculae etc).

The filters are availablle in a range of 8 sizes to fit external tube diameters from 70mm to 235mm. (2.75" to 9.25")

PLEASE READ SAFETY NOTES SUPPLIED WITH FILTER.

Select the the correct size for your scope from the drop down list below: