Nikon COOLSHOT 40 Golf Laser Rangefinder The Nikon COOLSHOT 40 Golf Laser Rangefinder is the most powerful USGA-approved rangefinder in Nikon's line. With HYPER READ technology, keeping the ball on the short grass is made easier. Plus, with the ability to get quick readings to everything on the golf course, it will be easy to avoid the hazards. Combine HYPER READ technology with the wide field of view and it has never been simpler to get distances to every object on the golf course. Since it is allowed in tournament play as well, being able to find forgiveness in the most unforgiving circumstances has never been easier.