Einstein, the physics guy, theorized that light was particulate in nature vs. wave like and could be absorbed or generated as a whole entity. The limits of todays glass optics don't really improve stuff - what is needed is a tiny 28 mm diameter light sucker scope attracting these particles that might have mass. How much can glass optics be improved - I would guess not much in the optics or lens department. I looked through a big Zeiss 60 mm scope once and was thrilled before seeing the price - higher price Leupold's are ok and other comparable price scopes probably match those.