PrimaLuce Lab GIOTTO 285 Smart Flat Field Generator - GIOTTO285 vendor-optolong 25" barrel type eyepiece with

25" barrel type eyepiece with a 4-element optical lens design

Canon EOS 60D

Rotary brightness control for 10 arc minute diameter projected red finder star

9° Linear FOV: 120 m @ 1000 meters Close Focus: 2

PrimaLuce Lab GIOTTO 285 Smart Flat Field Generator - GIOTTO285 vendor-optolong 25" barrel type eyepiece withThe PrimaLuce Lab GIOTTO 285 Smart Flat Field Generator is designed to help you capture flat calibration frames for telescopes with apertures of up to 285mm and an external tube diameter of 252 mm to 315 mm. GIOTTO uses many LED lights at a color temperature similar to the Sun, a specially designed light diffuser and, thanks to the included thumbscrews, you can easily lock it in front of telescopes with external tube diameter from 252mm to 315mm.