This should give existing BORG users even more options. Introducing the new BinoTechno 90mm objective lens, designed specifically for the BORG Series 80 system. By simply swapping the objective lens assembly, users can retain the existing mechanical design and accessories while upgrading to a different optical configuration.
I performed a star test last night at nearly 300× magnification, and it produced a textbook-perfect diffraction pattern. Very impressive!
As shown above, the color matches that of their erect-image mirror diagonal.