Sky watcher 085x focal reducercorrector for evostar 100ed ds pro
Designed for serious astro imagersand optimised for the evostar 100ed pro the sky watcher 085x focal reducercorrector effectively reduces the telescopes focal length by a factor of 085x and provides much improved field edge correction use in conjunction with sky watchers m48 canon or nikon t ring adaptors product codes 20237 20238