Written by Ernie in Golf Tips Last Updated August 23, 2026
The Nikon COOLSHOT 20i rangefinder combines a 550-yard published maximum range with 6× magnification and a published accuracy of ±1 under 100 yd; ±2 at 100+ yd. Its feature set includes slope compensation. The published flag range is 250 yards, equal to 45% of the total ranging claim. Derived comparison data works out to 125 yd of range per ounce, 71/100 portability efficiency and 28/100 range efficiency.
Golf rangefinder specifications
Nikon · COOLSHOT 20i · Laser
Year: 2017Max range: 550 ydMagnification: 6×Accuracy: ±1 under 100 yd; ±2 at 100+ ydWeight: 4.4 oz
4.4 ozWeight
Rangefinder benchmarks
How this model compares
Benchmarks compare this rangefinder with the other dense-spec models in this database.
Maximum range
Below average
550 yd
Low300 yd
This model550 yd
Average997 yd
High1600 yd
Weight
Above average
4.4 oz
Low3.7 oz
This model4.4 oz
Average7 oz
High14 oz
Magnification
Near average
6×
Low4×
This model6×
Average6×
High7×
Portability efficiency
Above average
71/100
Low1/100
This model71/100
Average46/100
High98/100
At a glance
Rangefinder profile
Slope compensationYes
GPSNo
StabilizationNo
Cart magnetNo
RechargeableNo
Weather ratingIPX4
Overview
Model information
Manufacturer
Nikon
Model
COOLSHOT 20i
Category
Golf Rangefinder
Release year
2017
Status
Legacy
Rangefinder type
Laser
Derived numeric specs
Useful comparison metrics
These figures are calculated from the published measurements above to make size, range and portability easier to compare.
The Nikon COOLSHOT PRO STABILIZED rangefinder combines a 1200-yard published maximum range with 6× magnification. Its feature set includes slope compensation and image stabilization. At 6 oz, it...
The Nikon COOLSHOT 40i GII rangefinder combines a 1600-yard published maximum range with 6× magnification and a published accuracy of 0.75 <700 yd; 1.25 at 700-999 yd; 1.75 at 1000+ yd. Its...