PrimaLuce Lab GIOTTO 255 Smart Flat Field Generator - GIOTTO255 Focal Plane Adjuster The objective lens covers of

The objective lens covers of the Celestron Outland X Binoculars are semi-attached so they don'''t get lost on the 42mm sizes

Not Adjustable

star clusters

The Lynx HD + 50 mm binoculars are lighter and smaller than many of those products offered by the competition

PrimaLuce Lab GIOTTO 255 Smart Flat Field Generator - GIOTTO255 Focal Plane Adjuster The objective lens covers ofThe PrimaLuce Lab GIOTTO 255 Smart Flat Field Generator is designed to help you capture flat calibration frames for telescopes with apertures of up to 255mm and an external tube diameter of 217 mm to 279 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 217mm to 279mm.