Top 20 Best Nikon 40I Rangefinder Review Reviews & Comparison [Ultimate Guide]

The future of the best nikon 40i rangefinder review is here, and we’ve got all the best picks for 2024. We have compiled 85843 reviews from top experts that led us to these 20 devices on the list.

The Best Nikon 40I Rangefinder Review Deals This Week: 

Bestseller No. 1
Nikon COOLSHOT 40i Golf Laser Rangefinder
  • ID Technology displays slope-adjusted distance, as well as to-the-target distance, enabling you to select the proper club for uphill or downhill shots.
  • HYPER READ provides quick and stable measurement response, in approx. 0.5 second, regardless of distance to the target.
  • Incredible ranging capability (8-650 yards), reported in ½ yard increments, with an accuracy or +/- 2 ¼ feet.
  • Class 1 laser product, power output not exceeding .0975 milliwats
  • See what lies ahead, behind, above or below with amazing sharpness and clarity with the integral 6-power monocular featuring legendary Nikon optics.
SaleBestseller No. 2
Nikon COOLSHOT PROII STABILIZED Golf Rangefinder | Waterproof & stabilized Laser rangefinder with Slope, OLED Display and 5 Year Warranty | Official USA Model
  • STABILIZED Counteracts hand shake and other environmental factors to steady the view and ranging laser
  • DUAL LOCKED ON ECHO Visual and audio cue that you are ranging the flag and not something behind it
  • HYPER READ laser provides quick and stable measurement response regardless of the distance in .3 seconds or less
  • Waterproof and Fogproof
  • ID TECHNOLOGY Delivers the one number you need for your best shot to account for incline or decline shooting angles
SaleBestseller No. 3
Nikon COOLSHOT 20i GIII Golf Rangefinder | Rainproof Laser rangefinder with Slope, Locked On Quake and 5 Year Warranty | Official Nikon USA Model
  • COOLSHOT 20i GIII IS THE NEXT GENERATION OF THE TOP-SELLING COOLSHOT 20i GII, NOW WITH LOCKED ON QUAKE, SLOPE AND WITH INCREASED RANGE AND SUPERIOR ACCURACY: Range of 6-800 yards, displaying in 1-yard increments and accurate to 1-yard (under 100 yards), and 2-yard (over 100 yards). Yard/Meter
  • DUAL DISPLAY - SLOPE ADJUSTED (PLAY-AS), AND STRAIGHT LINE DISTANCES. Incredibly fast, accurate distance measurements for every shot— even those involving slope. Featuring Nikon’s ID Technology for stress-free club selection for a shot w/elevation change.
  • COOLSHOT 20i GIII eliminates second-guessing on how far uphill or downhill a shot will play. With so many unforgiving elements on a golf course, don’t let elevation change be one of them.
  • ENGINEERED AND BACKED BY NIKON – A 100+ YEAR OLD OPTICS AND TECHNOLOGY LEADER. Industry Leading 5-year . Rainproof (IPx4).
  • NIKON OPTICS FOR BOTH THE VIEWER AND THE LASER. Nikon quality 6x optical monocular with multilayer coating for bright, clear images. Eyepiece Focus Diopter to focus to your own exact vision. Long Eye Relief (20mm) for use with sunglasses or eyeglasses.
SaleBestseller No. 4
Nikon COOLSHOT 20 GIII Golf Rangefinder | Rainproof Laser rangefinder with Locked On Quake and 5 Year Warranty | Official Nikon USA Model
  • THE NEXT GENERATION OF THE TOP-SELLING COOLSHOT 20 GII, WITH LOCKED ON QUAKE, INCREASED RANGE AND SUPERIOR ACCURACY: With a measurement range of 6-800 yards, displaying in 1-yard increments and accurate to 1-yard (under 100 yards), and 2-yard (over 100 yards).
  • COMPACT, LIGHTWEIGHT AND ERGONOMIC DESIGN. This truly pocketable rangefinder is perfect for those who may prefer to walk a few holes or the entire course. Requires less space and weight whether in your bag, in a pocket, or carried in hand.
  • ENGINEERED AND BACKED BY NIKON – A 100+ YEAR OLD OPTICS AND TECHNOLOGY LEADER. Industry Leading 5-year . Rainproof (IPx4).
  • NIKON OPTICS FOR BOTH THE VIEWER AND THE LASER. Nikon quality 6x optical monocular with multilayer coating for bright, clear images. Eyepiece Focus Diopter to focus to your own exact vision. Long Eye Relief (20mm) for use with sunglasses or eyeglasses.
  • FIRST TARGET PRIORITY automatically displays the range to the first/nearest target among the multiple measurements obtained. This assures that the measurement shown is the pin, and not any objects in the background.
SaleBestseller No. 5
Nikon Coolshot 20i GII Golf Laser Slope Rangefinder, Standard Version White with yellow trim, Medium
  • THE NEXT GENERATION OF THE TOP-SELLING COOLSHOT 20, NOW WITH SLOPE AND WITH INCREASED RANGE AND SUPERIOR ACCURACY: Range of 6-800 yards, displaying in 1-yard increments and accurate to 1-yard (under 100 yards), and 2-yard (over 100 yards). Yard/Meter
  • DUAL DISPLAY - SLOPE ADJUSTED (PLAY-AS), AND STRAIGHT LINE DISTANCES. Incredibly fast, accurate distance measurements for every shot— even those involving slope. Featuring Nikon’s ID Technology for stress-free club selection for a shot w/elevation change.
  • COOLSHOT 20i GII eliminates second-guessing on how far uphill or downhill a shot will play. With so many unforgiving elements on a golf course, don’t let elevation change be one of them.
  • ENGINEERED AND BACKED BY NIKON – A 100+ YEAR OLD OPTICS AND TECHNOLOGY LEADER. Industry Leading 5-year . Rainproof (IPx4).
  • NIKON OPTICS FOR BOTH THE VIEWER AND THE LASER. Nikon quality 6x optical monocular with multilayer coating for bright, clear images. Eyepiece Focus Diopter to focus to your own exact vision. Long Eye Relief (20mm) for use with sunglasses or eyeglasses.
SaleBestseller No. 6
Nikon COOLSHOT 20 GII Golf Laser Rangefinder, White, 16667
  • Measurement range: 6-800 yds
  • First Target Priority mode–useful for measuring the distance to a flagstick on a green with woods in the background
  • High-quality 6x monocular with multilayer coating for bright, clear images
  • Single or continuous measurement (up to 8 seconds) allows for quick, easy measurements to multiple targets
  • Displays in 1-yard increments
Bestseller No. 7
Nikon Laser Rangefinder PROSTAFF 1000i TrueTimber Kanati - Camo with Wearable4U Extra Battery Bundle
  • IN THE BOX: 1x Nikon Laser Rangefinder PROSTAFF 1000i TrueTimber Kanati - Camo, 1x Case, 2x CR2 Lithium Batteries, 1x Wearable4U Cleaning Cloth
  • Tru-Target Technology allows you to choose between First and Distant target priority modes depending on the situation
  • Nikon’s advanced ID [Incline/Decline] Technology provides the horizontal distance to the target, even when ranging at various incline or decline shooting angles—up to an incredible +/- 89 degrees [nearly vertical up or down].
  • Press and Hold the Power button to activate the continuous measurement function (up to 8 seconds)
  • Multilayer coating is applied to one or more lens and prism surfaces
SaleBestseller No. 8
Nikon COOLSHOT LITE STABILIZED Golf Rangefinder | Rainproof & stabilized Laser rangefinder with Slope, Ultra-Fast Measurements and 5 Year Warranty | Official USA Model
  • AMAZON EXCLUSIVE | Inspired by the hugely popular COOLSHOT PRO II STABILIZED golf rangefinder and available for the first time in the U.S.
  • VR STABILIZATION | Vibration reduction counteracts hand shake for a clear, steady view and accurate measurements
  • SLOPE DETECTION | Accounts for shooting uphill or downhill and delivers the reading you need to pick the right club
  • SUPER FAST | Accurately measure distance in a fraction of a second
  • COMPETITION APPROVED | Bright LED indicates when slope detection is disabled for competitive play
SaleBestseller No. 9
Nikon COOLSHOT 50i Golf Rangefinder | Laser rangefinder with magnet mount, slope, OLED display and 5 Year Warranty | Official Nikon USA Model
  • DUAL LOCKED ON QUAKE TECHNOLOGY Visual and gentle vibration cue that you are ranging the flag and not something behind it
  • INTEGRATED MAGNET Built in mounting magnet safely connects to metal surfaces for convenient storage
  • ID TECHNOLOGY Delivers the one number you need for your best shot to account for incline or decline shooting angles
  • COMPETITION APPROVED When Slope compensation is not allowed the Actual Distance Indicator (ADI) LED tells your competition you're not using the ID Technology mode
  • OLED Display High Visability red display provides ideal contrast on distant targets
Bestseller No. 10
Nikon COOLSHOT 50i Golf Rangefinder with OLED Display w/Mount - (Renewed)
  • Nikon COOLSHOT 50i Golf Rangefinder with OLED Display + Mount
  • DUAL LOCKED ON QUAKE TECHNOLOGY Visual and gentle vibration cue that you are ranging the flag and not something behind it
  • INTEGRATED MAGNET Built in mounting magnet safely connects to metal surfaces for convenient storage
  • ID TECHNOLOGY Delivers the one number you need for your best shot to account for incline or decline shooting angles
  • COMPETITION APPROVED When Slope compensation is not allowed the Actual Distance Indicator (ADI) LED tells your competition you're not using the ID Technology mode
Bestseller No. 11
Nikon Prostaff 1000 Laser Rangefinder (16664) Bundle with 3 Extra CR2 Batteries and Lens Cleaning Cloth for Hunting, Shooting, and Archery - Rainproof Compact Range Finder Monocular ID Technology
  • HUNTING EXCELLENCE: The Prostaff 1000 provides 6-1000 yard measurement range in 1 yard increment readings with a 6x magnification high quality monocular.
  • AUTO MEASUREMENT: Continuous measurement for up to four seconds with Tru Target that allows you to switch between First Target and Distant Target Modes.
  • DURABLE CONSTRUCTION: Compact rainproof design (JIS/IEC Protection Class 4 IPX4 Equivalent) with multilayer coating applied to all lens and prism surfaces.
  • ID TECHNOLOGY: Delivers the one number you need for your best shot to account for incline or decline angles. Incline/Decline Technology provides horizontal distance to the target, even when ranging at various incline or decline shooting angles - up to an incedible +/- 89 degrees.
  • BUNDLE INCLUDES: Nikon Prostaff 1000i Laser Rangefinder, Carrying Case, Lanyard, 3 Extra CR2 batteries, and Lens Cleaning Cloth.
SaleBestseller No. 12
NIKON PROSTAFF 1000i TRUETIMBER KANATI Laser RANGEFINDER
  • Tru-Target Technology allows you to choose between First and Distant target priority modes depending on the situation
  • ID Teachnology delivers you the one number you need for your best shot to account for incline or decline shooting angles
  • Press and Hold the Power button to activate the continuous measurement function (up to 8 seconds)
  • Multilayer coating is applied to one or more lens and prism surfaces
  • High Quality 6x Monocular
SaleBestseller No. 13
Nikon Coolshot 20 GII Golf Laser Rangefinder (16666) Bundle with 3 Extra CR2 Batteries and a Cleaning Cloth - Laser Yard Alignment with Club Selection, and Slope - Range Finder Mens Golf Accesories
  • INCREASED RANGE AND SUPERIOR ACCURACY: Range of 6-800 yards, displaying in 1-yard increments and accurate to 1-yard (under 100 yards), and 2-yard (over 100 yards).
  • DUAL DISPLAY: Incredibly fast, accurate distance measurements for every shot— even those involving slope. Featuring Nikon’s ID Technology for stress-free club selection for a shot w/elevation change.
  • SUPERIOR NIKON OPTICS: Nikon quality 6x optical monocular with multilayer coating for bright, clear images. Eyepiece Focus Diopter to focus to your own exact vision. Long Eye Relief (16.7mm) for use with sunglasses or eyeglasses.
  • ADVANCED PIN IDENTIFICATION AND QUICK MULTI-TARGET MAPPING: Single or Continuous measurement (up to 8 seconds) allows for quick, easy measurements to multiple targets, without the wait for a secondary indicator, such as a vibration or LED.
  • BUNDLE INCLUDES: Nikon Coolshot 20 GII Golf Rangefinder, Case, Lanyard, CR2 Battery (Factory Installed), 3 Extra Viridian CR2 Batteries, and a Lens Cleaning Cloth
SaleBestseller No. 14
Nikon LASERFORCE RANGEFINDER Binocular
  • Rangefinder Binocular with 10-1900 yard range
  • Reflective Target 1900 yards Tree 1400 Yards Deer 1100 Yards
  • Incline/Decline Technology. FOV at 1000 yards: 320 feet
  • Display in .1 yard increments to 100 yards / 1 yard increments over 100 yards
  • Bright and clear red OLED display with 4-step intensity adjustment
Bestseller No. 15
Nikon Laser 50 Laser Rangefinder (16754) Bundle with 3 Extra Batteries, Carrying Case, and Lens Cloth - 6X Magnification, Waterproof, Wide FOV, Quick Stable Measuring, First and Distant Target Modes
  • CLEAR VIEW: The LASER 50 uses multilayer coated Nikon optics with 6x magnification and a wide field of view, so you can quickly find distant subjects, even in low light
  • OUTDOOR FORESTRY RANGEFINDER: A multipurpose rangefinder that quickly measures horizontal distance, actual distance and angle and degrees in 0.1-yard increments up to 2,000 yards
  • OLED DISPLAY: Red internal display enables easier viewing in any situation. Automatic brightness adjustment function fine-tunes the display brightness according to the surrounding ambient light level
  • EASY TO USE: Easily switch between measurement modes, provides quick and stable measurements response regardless of distance approx. 0.3 seconds
  • WATERPROOF: O-ring sealed to prevent moisture from entering body and nitrogen purged for reliability against thermal shock and internal fogging
SaleBestseller No. 16
Nikon COOLSHOT PROII STABILIZED Golf Laser Rangefinder Bundle | Includes Carrying Case, Microfiber Towel, Two (2) CR2 Batteries | Hyper Read, Dual Locked, Slope | Golf GPS Range Finder
  • [NIKON COOLSHOT PROII STABILIZED RANGEFINDER BUNDLE INCLUDES] - Nikon COOLSHOT PROII Golf Laser Rangefinder, Carrying Case, PlayBetter Microfiber Towel and Two (2) CR2 Batteries
  • [DUAL LOCKED ON ECHO, STABILIZED VIEW] - Experience unshakeable confidence on the course as it counteracts handshake and environmental factors to steady both your view and ranging laser. Get audible confirmation and green visual cues to confirm that you've hit the flag and not any other object with its DUAL LOCKED ON ECHO technology.
  • [ID TECHNOLOGY, TOURNAMENT APPROVED] - Play smarter as it delivers the number you need for the best shot to account for incline or decline shooting angles. The Actual Distance Indicator (ADI) LED informs your competition that you're not using the ID Technology mode when Slope Compensation is not allowed.
  • [HYPER READ, OLED DISPLAY & 6X MAG] - The HYPER READ technology feature provides near-instant measurements (approx. 0.3 seconds) that are comfortably visible within the bright, crystal-clear OLED display. The 6-power zoom monocular offers eyeglass-friendly long eye relief and an adjustable diopter for tack-sharp focusing.
  • [PERFECT RANGEFINDER BUNDLE] - Throw our handy accessories in your bag! Keep your COOLSHOT PROII Stabilized lens free of smudges with our PlayBetter Microfiber Towel & make sure you're never without power on the course with our extra CR2 battery.
Bestseller No. 17
Nikon COOLSHOT 40 Golf Laser Rangefinder
  • HYPER READ provides quick and stable measurement response, in approx. 0.5 second, regardless of distance to the target. Increment Reading: 0.5 yards, Eye Relief: 18.3 mm.
  • Incredible ranging capability (8-650 yards), reported in ½ yard increments, with an accuracy or +/- 2 ¼ feet, Diopter Adjustment: +/- 4 °, Power Source: 1 CR2 Lithium Battery, Objective Diameter: 21 mm.
  • First Target Priority technology quickly and accurately identifies the flagstick from the background.
  • Class 1 laser product, power output not exceeding .0975 milliwats
  • Push and release the POWER button for 8-second continuous measurement scanning, allowing quick measurements to multiple targets.
SaleBestseller No. 18
Nikon 6 x 21 CoolShot Pro II Stabilized Laser Rangefinder 16758 Bundle with Nikon Lens Pen, Rangefinder Tether and Batteries (6 Items)
  • Bundle Includes: Nikon 6 x 21 CoolShot Pro II Stabilized Laser Rangefinder, Nikon Retractable Rangefinder Tether, Nikon Lenspen Cleaning System, 3 x 800 mAh CR2 Lithium Battery
  • Slope-Adjustment When you want it you can turn on ID (incline/decline) mode, and your distance will factor in slope, crucial for uphill and downhill shots. When slope must be off for competitive play, an onboard Actual Distance Indicator (ADI) LED signals compliance
  • 6x Monocular: Nikon has been a world-leader in optics for more than 100 years. The CoolShot Pro II uses a brilliant 6x power monocular with Nikon’s innovative anti-glare and high-contrast coatings, plus a diopter adjustment to fine tune for your vision
  • Compact Design: CoolShot Pro II is not much larger than a smartphone and it’s lightweight at just 6.3 oz. for ease of use and pocketability
  • Competition Approved: When slope-compensation is not allowed, the Actual Distance Indicator (ADI) LED tells your competition you are not using the ID Technology mode
Bestseller No. 19
Nikon COOLSHOT 50i Golf Rangefinder (16760) Bundle with 3 Extra CR2 Batteries and a Cleaning Cloth - Waterproof, Magnetic, Flagstick Lock On Technology with Slope Adjustment - Mens Golf Accesories
  • FAST ACCURATE READING: Fast and accurate measurements are comfortably visible within the bright, crystal-clear OLED display. Explore more options for your shots without slowing down your game.
  • MOUNT UP: With an innovative built-in mounting magnet, the COOLSHOT 50i safely connects to metal surfaces—your bag carrier or even your cart.
  • CLEAR VIEW: Uses a brilliant 6x power monocular with Nikon’s innovative anti-glare and high-contrast coatings, plus a diopter adjustment to fine tune for your vision.
  • DUAL LOCKED ON QUAKE: Flagstick confirmation technology gives a visual cue plus a gentle vibration to let you know you're measuring the pin, not a tree or other object 20 yards behind it.
  • COMPACT & RAINPROOF: Rainproof so the rain will never be a problem, plus the compact design at just 6.2 oz (.40 lbs) can easily fit into your pocket to make it easy to use.
Bestseller No. 20
Nikon COOLSHOT ProII Golf Laser Rangefinder (16758) Stabilized View Bundle with 3 Extra CR2 Batteries and a Cleaning Cloth - Laser Yard Alignment with Club Selection, and Slope - Mens Golf Accesories
  • STABILIZED VIEW: Borrowing technology from Nikon’s innovative cameras and lenses, the COOLSHOT PROII counteracts hand shake and environmental factors to steady both your view and the ranging laser.
  • FAST ACCURATE READING: With Hyper Read technology you are able to get near-instant measurements in approx 0.3 secs that are comfortably visible through the crystal-clear OLED display
  • CLEAR VIEW: Uses a brilliant 6x power monocular with Nikon’s innovative anti-glare and high-contrast coatings, plus a diopter adjustment to fine tune for your vision.
  • DUAL LOCKED ON ECHO: Confirms you've hit the flag and not something in the background. It also gives a green visual cue and a pleasant audible confirmation that you’re measuring the pin
  • COMPACT & WATERPROOF: Waterproof up to 1m for 10 minutes so rain will never be a problem, and the compact design at just 6.3 oz (.40 lbs) can easily fit into your pocket for when you're on-the-go

Bottom Line about Nikon 40I Rangefinder Review

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