ED Glass - ED glass gives you an image with little or no chromatic fringe so the final result brings a clearer and sharper image to your eyes
Advanced FMC - Advanced Fully Multi-Coated lenses gives you better light transmission to bring optimum brightness and true color across the entire light spectrum.
"Apochromatic Lens System gives you the result of images which have greater contrast, sharpness and color definition"
"Argon Purged Argon Purging uses the inertia gas with bigger size molecules to purge any moisture out of the tube giving you better waterproofing and thermal stability ."
"Patented High Riser Mount Patented High Riser Mount allows you to mount and adjust your Athlon Laser Rangefinder to co-witness with your Cronus Tactical Spotting Scope"