Nikon COOLSHOT 40i Review

In golf, the rangefinder is the best help a golfer can get in achieving perfect shots and minimizing their handicap. This helpful device combines a series of features and technologies that allow the golfer to perform good shots without having to hit the ball many times. A great example of an efficient golf rangefinder is the Nikon COOLSHOT 40i, a practical unit that delivers enough accuracy to eliminate second-guessing and the stress implied in each shot. With its affordable price of $300, the multiple features and the practical design, this device from Nikon is a top choice for many golfers who want to improve their game.


There is no doubt that it can improve the way you play golf, so you mustn’t worry that it would be an unnecessary investment. The incredible ranging capability of 8 to 650 yards of this device, reported in 1/2 yard increments guarantees excellent measurements, while the accuracy of +/- 2 1/4 feet make it incredibly efficient in determining the distance to the target. A great particularity is that the unit uses a Hyper Read technology that allows it to display the measured distance in 0.5 seconds, which assures maximum performance during the golf game. The 6x magnification uses Nikon’s legendary optics to provide bright and clear images and the wide field of view of 7.5° allows you to survey the entire golf course before performing each shot. This model uses a CR2 lithium battery of 3V that guarantees long-lasting dependability during the entire golf game.

Specifications sheet

Specs COOLSHOT 40i
Dimensions 4.4” x 2.8” x 1.4”
Weight 5.6 oz
Magnification 6x
Maximum range 650 yards
Accuracy +/- 0.75 yards
Objective diameter 21 mm
Exit pupil 3.5 mm
Eye relief 18.3 mm
Display type ID technology
Actual field of view 7.5°
Waterproof Yes
Battery type 3V lithium

Size and design

Considering that the efficiency of a range finding device is also determined by its size and weight, you can certainly state that this is a great unit that is compact and lightweight. Measuring approximately 4.4″ x 2.8″ x 1.4″ and weighing about 5.6 oz., you will have no problems in holding and handling the 40i. You can easily slip it into your shirt or pants pocket and you can take it everywhere with you on the golf course. The large ocular assures easy viewing and the long eye relief design of the device has been engineered to make the unit suitable for golfers who wear glasses. The curved shape makes it very easy to hold, the combination of black and blue give it a masculine aspect and although the nice design is simply a matter of aesthetics, it makes this device very attractive. The housing is rainproof and it can handle variations of temperature from -10º to 50º C, meaning you will be able to use the device in any weather conditions.

Special Features

It includes some features that make it a great choice when it comes to golf game improvements. Besides the great accuracy and the wide range, this device uses an ID technology that displays the slope-adjusted distance to assure the best club selection. The Slope technology used in creating this device makes club selection very easy even on courses with level differences, which means you will enjoy great accuracy even if the course has slopes and hill. The multiple display modes provide options for standard or slope adjusted ranging. The First target Priority mode is a feature that allows it to display the distance to the closest object, thus assuring maximum accuracy. Furthermore, the Distant Target Priority mode shows you the distance to the farthest objected targeted, a feature that is extremely useful on golf courses located in wooded areas. However, keep in mind that the Slope feature makes it illegal to use during official tournaments.

Ease of use

When it comes to accessibility, a good rangefinder must be hassle-free and it must deliver accurate information without having to push many buttons. To have this golf device ready to use on the golf course, all you have to do is press the Power button that is conveniently located on the top of the device. Once you press the button, you will enjoy 8 seconds of continuous measurement even if you slightly move the hand. The reading will be displayed on the screen in less than half a second and the Auto power shut-off function turns off the unit after 8 seconds of inactivity.

Other considerations

The manufacturer offers a 2-year warranty for it, but the rainproof feature and the latest technologies will make sure that you enjoy its performance for a longer period of time. Being one of the most flexible and reliable devices available, it will keep you focused on the game without having to worry about the possible problems that may appear in other devices.


  • Affordable price makes it easily accessible
  • Ranging capability of 8 to 650 yards
  • Rainproof housing allows use in any type of weather
  • It features the First Target Priority mode
  • Automatic shut-off after 8 seconds of inactivity
  • Manufacturer backs it up for 2 years


  • Lower accuracy when compared to other models

Final thoughts

The compact and lightweight 40i is a necessary addition to the golf bag of any ambitious golf player who wants to level up his or her game. The curved shape of the device is a design element that you will surely love, allowing you to hold it in a comfortable manner. The renowned optics of this model combined with the 6x magnification ensure that you will zoom in and have a closer look at your targets, thus being able to make the best possible decisions when it will be time to shoot the ball. Another element that you will surely like when using it is the fact that the CR2 lithium battery that it comes with has a long lifespan, so you won’t have to change it too often. All in all, it is an investment worth making, helping you lower your handicap very fast.

Frequently Asked Questions

?What role does the Distant Target Priority mode play?
With the Distant Target Priority mode activated, you will instantly receive the distance to the furthest object targeted. It comes in handy when you are on a course with dense wooded areas where trees might sit in front of your target.

?Are there any circumstances in which I shouldn’t use it?
As it features a rainproof housing, you can confidently use it when the weather turns bad without worrying that water might affect it. However, when temperatures are below -10 degrees Celsius or above 50 degrees Celsius, you should not use the device as it will be damaged.

?Is it legal for use in official tournaments?
No, due to the fact that it features slope compensation, it is not usable in official tournaments. Thus, you can only use it for practice purposes or when you are playing casually, with friends.


  1. Anna says:

    Hello, does it have incline/decline mode?

    • Natalie Marke says:

      Hello! The device features ID (incline/decline) technology which helps the device display slope-adjusted distance, as well as to-the-target distance, allowing you to select the proper club for uphill or downhill shots.

  2. Jasper says:

    Can you please tell me more about its field of view?

  3. Yasmin says:

    Is it waterproof?

    • Natalie Marke says:

      The COOLSHOT 40i is not waterproof. However, its housing is rainproof and it can handle the variation of the temperature of -10 degrees to 5 degrees C. This way, you will be able to use the device in any weather conditions.

  4. Lee says:

    What is the ranging capability of this model?

    • The Nikon COOLSHOT 40i has an amazing ranging capability from 8 yards to 650 yards. It’s one of the best models on the market from this point of view, this being one of the many reasons why we recommend it to all golf players.

  5. Nate says:

    This rangefinder is great. It has all the functions I need to get my yardage. Plus, it is lightweight and very compact.

  6. James says:

    This is truly a great acquisition to make. Since I have this rangefinder, the quality of my game has increased, and I finally have a low handicap.

  7. Winnona says:

    Does it come with any battery-saving features?

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