- Finding a guide star has never been easier! - Presenting your scope's field of view to your guider. - No more differential flexure even with long focal. - Integrated X/Y stage for your guider. - Work with refractors as well as reflectors. - Ideal for SCTs such as Celestron, Meade, ... - Imager back focus of only 66mm (2.6"). - For chip diagonals up to 28mm, KAF8300, KAI10100... - Accept most focal reducers. - No extra load for your mount, weight only 0.77 kg (1.7 lbs). - No rotation necessary for finding a guide star. - Enjoy reusing your flat frames over and over again.
While nearly everyone enjoys a good astrophoto, the precision with which the astrograph (the telescope taking the photograph) must follow the stars is not widely appreciated. To take a good astrophoto of any but the brightest objects requires following their motion through the sky accurately. There are a number of approaches toward addressing this problem in the digital era. Perhaps the best option has now been enabled by Innovations Foresight's new ON-Axis Guider (ONAG). Read more