no shot zero thermal scope attachment

... scope with increased options and functionality. You can use it as a dedicated thermal scope or clipped on in front of your regular day time scope for high quality night vision experience. No need re-zero, no need remove your daytime scope. Just "clip on"...

...Thermal Front Attachment For Wild Life Search And Observation Description The NightSeer clip on is a multifunctional thermal imaging device that can be operated either as a monocular or a front attachment. The NightSeer clip on is designed to become one with your optical day sight, both on the battlefield and on the hunting field. The thermal scope's NO-SHOT ZERO feature makes it simple to verify boresight when attached......