Hotech 2" SCA Field Flattener

This field flattener is fully multi-coated on a two-element lens allowing the most efficient light transmission without sacrificing light collected from your telescope. It accommodates f/5 to f/8 refractor telescopes with built-in standard 2"/48mm (M48-P0.75) female filter thread on the telescope side. On the camera side is a male T-thread (M42x0.75).