range finder

American  

Or rangefinder

noun

1. any of various instruments for determining the distance from the observer to a particular object, as for sighting a gun or adjusting the focus of a camera.

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Etymology

Origin of range finder

First recorded in 1870–75

Example Sentences

See Examples For:

range finder

Today, the company’s products, including an AI-driven app and range finder, act as a virtual caddie, one that recommends the club you should use and the optimal landing area for each shot.

From The Wall Street Journal ● Apr. 10, 2026

Ms. Abiyeva, the real estate agent, showed off on her Telegram account a Nikon Prostaff 1000 laser-equipped range finder that she bought for $400.

From New York Times ● May 28, 2022

He began designing and selling his own accessory that allowed gun owners to add lights, a range finder and lasers onto the rifle.

From Seattle Times ● May 28, 2022

Garmin has added a laser range finder to their distance-measuring device options, the Approach Z80.

From Golf Digest ● May 1, 2018

I am permitted, however, to name some of these instruments, such as the subterranean microphone, sizorscope, horoscope, perpendicular and horizontal range finder, elongated three-power French binocular, instruments for determining the height of airplanes, etc.

From In the Flash Ranging Service Observations of an American Soldier During His Service With the A.E.F. in France by Edward Alva Trueblood