Pirschler Range 10x45 binoculars | with laser rangefinder | green | DDoptics 
Binoculars 10x56 Pirschler from DDoptics | green | GEN 3 
Influences of different glass qualities such as BK7 or BAK4 in binoculars and riflescopes The glass quality or type of glass is one of the most important quality factors in binoculars and riflescopes alongside the coating of the optics The optical system of binoculars is made up of glass lenses or, in the case of cheap optics, plastic lenses. A manufacturer can choose from many different types of glass (qualities). ED glass Extra Low Dispersion glass is a special glass with very low [...]
