nikon shooting optics choice online only! tactical second focal plane sku product description price second focal plane mk1-moa retail price sku product description bdc 600 price shockproof • 1-inch main tube • fully multicoated optics • 3x zoom ratio eye relief quick focus eyepiece exposed windage & elevation turrets spring-loaded instant zero-reset turrets • 30mm main tube • quick focus eyepiece • fully multicoated optics • exposed windage & • wide field of view elevation turrets • side-focus parallax adjustment spring-loaded instant • 4x zoom ratio zero-reset turrets shockproof retail price instant savings instant savings mtactical mtactical tactical spur reflex sight superdot red dot sight retail price retail price • 30mm main-body tube • fully multicoated optics • wide field of view • smooth zoom control side-focus parallax adjustment • 4x zoom ratio eye relief • quick focus eyepiece • elevated windage & elevation turrets • spring-loaded instant zero-reset turrets shockproof after $100 instant savings • fully multicoated optics with trucolor coating after $100 instant savings • 10-levels of brightness that are compatible with night vision gear