Founder Optics 0.8X Focal Reducer for FOT86/FOT106 - RED0.8X

The Founder 0.8X Focal Reducer was designed to reduce the effective focal length of the FOT86 or FOT106 refractors, but it will work with pretty much any f/5 to 5/7 refractor.  The RED0.8X has interchangeable M42 male and M48 male mounting threads.  The optics, which are fully multi-coated, have a clear aperture of 38 mm.