Astro-Tech 2" Field flattener for imaging with Astro-Tech and TMB refractors

Availability: More on the way

The Sky & Telescope Hot Product for 2010 Astro-Tech 2" photographic field flattener improves the image sharpness at the corners of the field with Astro-Tech and TMB apo refractors, but will also work well with any other brand of f/6 to f/8 refractor, as well as Astro-Tech Ritchey-Chr├ętiens . . .