High performance lens coatings and Dielectric Coated prisms ensure the highest level of light transmission.
ED X models benefit from Extra-low Dispersion glass for controlled chromatic aberration and the elimination of color fringing.
Extra-low Dispersion (ED) glass
Dielectric Coatings
High resolution phase corrected BAK-4 roof prisms
Water repellent lens coatings
Magnesium alloy chassis
Focus from 3m
Replaceable twist-up eye cups with position stops
Stay-on lens covers
