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Nikon Coolshot 20i Golf Laser Rangefinder

Original price was: $176.95.Current price is: $159.95.

  • Locked On Quake technology for precise flagstick detection
  • Incline/decline technology for slope-adjusted distance
  • First Target Priority ensures accurate readings
  • 8-second continuous measurement mode
  • Compact and weather-resistant (IPX4)
  • 6x magnification for clear views

Lock in on the pin

The Nikon Coolshot 20i GIII laser rangefinder is an indispensable companion on the golf course. Designed to accurately measure distances to a course’s landing zones and hazards, it also accurately homes in on the flagstick with visual and tactile feedback thanks to its Locked On Quake technology.

Follow your ups and downs with slope detection

Because golf courses are rarely flat, the 20i GIII also features incline/decline (ID) tech, which compensates for uphill and downhill lies. (You can disable it to comply with USGA rules for tournament play.) An 8-second continuous scanning mode will give you an accurate readout of your surroundings, so you know where trees, lakes, bunkers, and other hazards live. And you can be sure you’re getting an accurate read on what you’re focused on with First Target Priority, which isolates your object of interest from items in the background, like trees and shrubs.


Overview: The Nikon COOLSHOT 20i GIII laser rangefinder helps your golf game by giving you accurate distance measurements up to 800 yards instantly with the press of a button. Nikon’s ID technology and Locked-on Quake features give you even more accurate readings, so you can play more aggressively. The unit is compact and lightweight, with a durable rainproof finish to give it a non-slip grip. The COOLSHOT 20i GIII is powered by a 3-volt CR2 Lithium battery (included), and comes with a handy storage case that can be worn on the belt or clipped to your bag.

Slope-adjusted Distance: The COOLSHOT 20i GIII features Nikon’s advanced ID Technology, which provides you a slope-adjusted distance for your uphill or downhill shots. The rangefinder automatically detects whether the shot is on an incline or decline and adds or subtracts yardage based on the slope. The slope-adjusted distance is equal to the horizontal distance ± height. This helps you choose the right club and hit the ball at the proper trajectory. Using the Mode button, Golf Mode (with ID Technology enabled) can be turned off, if desired, so you can see the actual distance display. This allows you to use the device during tournament play in compliance with USGA Local Rule 14-3.

First Target Priority: When measuring overlapping subjects, such as the flagstick with trees in the background, the First Target Priority algorithm displays the distance to the closest subject. The rangefinder gives a gentle vibration, or Locked On Quake, to confirm that you are measuring the desired target (the pin), and not an object in the background.

One Button Operation: The COOLSHOT 20i GIII laser rangefinder gives you fast and simple measurements by pressing the top-mounted power button. The unit emits invisible, eye-safe infrared energy pulses (IEC60825-1 Class 1M Laser) that reflect off of the selected target back to its optical receiver. The distance is instantly calculated and displayed on an internal LED panel for approximately 8 seconds. The unit displays the distance to the nearest target among multiple results obtained with a single measurement.

Display Modes: The COOLSHOT 20i GIII lets you switch between two modes:

  • Golf Mode: displays slope-adjusted distance ± height
  • Actual Distance Mode: displays actual distance

Nikon Optics: The COOLSHOT 20i GIII uses Nikon glass optics and multilayer coating technology to give you clear views with high contrast.

Diopter Ring: The viewfinder has a diopter ring for adjusting the rangefinder to your eyesight. A diopter index indicates “+” and “-” positions, and has an range of ±4 m⁻¹.

Eye Relief: The COOLSHOT 20i GIII’s eyepiece provides a long 16.7mm eye relief for easy viewing, even with eyeglasses.

Distance Measurements: Distances from 6 to 800 yards are measured in 1-yard increments. When switched to metric distances, it measures 5 to 730 meters in 1-meter increments. You can switch the units of measurement from yards to meters by pressing the top-mounted Mode button.

Continuous Measurement: You can measure the distance of different targets during the 8 seconds the laser is emitting. The distances of each object are displayed as you aim at them. For example, using continuous measurement, you can measure the distance to a tree in the foreground, and to the flag in the background.

Weatherproof Design: The COOLSHOT 20i GIII has a weatherproof design (IPX4) so you can use it in wet conditions. It can withstand temperatures between 14°F and 122°F, and 80% or less relative humidity.

Power Requirements: The COOLSHOT 20i GIII operates on a single 3-volt CR-2 Lithium battery (included). Battery status is displayed in the viewfinder during normal operations. A new CR-2 battery has enough energy to perform continuous measurements approximately 10,000 times (at approximately 68°F).


  • Model: Coolshot 20i GIII
  • Magnification: 6x
  • Objective Diameter (effective): 20mm
  • Angular Field of View (real): 6°
  • Measuring Range: 6-800 yards (5-730 meters)
  • Increment Reading: 1 yard (1 meter)
  • Accuracy: ±1 yd/m (<100 yd/m); ±2 yds (at over 100 yds/m)
  • Exit Pupil: 3.3mm
  • Eye Relief: 16.7mm
  • Diopter Adjustment: ±4 m⁻¹
  • Dimensions: Width 1.5″ Height 2.9″ Depth 3.6″
  • Weight: 4.6 ounces (w/o battery)

Product highlights:

  • adjustable diopter for those who need vision correction
  • 6X magnification
  • measurement range: 6-800 yards
  • water-resistant (IPX4)
Special features:
  • Locked on Quake tech provides haptic confirmation that the distance to the flagstick has been detected
  • Incline/Decline technology displays slope-adjusted distance
  • First Target Priority helps you lock onto the pin instead of background objects
  • 8-second continuous measurement mode provides distance to hole features and landmarks
Dimensions and warranty:
  • 1-1/2″W x 2-15/16″H x 3-5/8″D
  • weight: 4.6 oz. (without batteries)
  • warranty: 5 years
  • MFR # 16781
  • Item # 05416781

What’s in the box:

  • Golf rangefinder (silver/black)
  • 3V CR2 Lithium battery
  • Carrying case
  • Quick Start Guide
  • Warranty card
  • Safety Notices


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