No one has mentioned Nikon. I have several Nikon optics from 2x handgun to variable rifle and shotgun, rangefinder, spotting scope. I have to say that I think Nikon makes a good quality optic and I have Never had to return one to the factory unlike Leupold. I also have many Leupold optics but I have had to return them for broken crosshairs, elevation/windage adjustments, variable power rings locked up (however Leupold does back the product 100%) cant complain about the service Ive had.