Nikon ProStaff 3i Laser Rangefinder

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Item #NIKO390-1

  • Your Price:
  • $229.95
  • + FREE Shipping
  • Small, lightweight and powerful, the Prostaff 3i measures distances from 8-650 yards
  • Nikon ID Technology for horizontal and actual distance display
  • Displays distance in .1 yard increments
  • Tru-Target Priority System measures overlapping subjects
  • Prostaff 3i is water resistant and has a wide operating temperature tolerance
  • Lightening speed measurement response of approximately 1/2 second
  • Wide 7.5-degree field of view with comfortable 18mm of eye relief
Questions? Let our experts help!
  • Description

    The Nikon Prostaff 3i Laser Rangefinder is a pocket-sized tool that utilizes Nikon’s ID (incline/decline) Technology and provides precision, speed and consistency out to 650 yards. This cool 6x21 laser rangefinder also features Nikon’s legendary multicoated optics, ruggedness, pocket-sized portability, long eye relief and Tru-Target Technology.

    • Measurement range: 7.3-590m/8-650 yd.
    • Horizontal Distance display mode and Actual Distance display mode can be easily switched — ID (incline/decline) Technology  
    • Target Priority Switch System for measuring overlapping subjects:  First Target Priority mode displays the distance of the closest subject — useful when measuring the distance to a subject in front of an overlapping background.  Distant Target Priority mode displays that of the farthest subject — useful in wooded areas.
    • Quick and stable measurement response regardless of distance — HYPER READ
    • Displays the measurement result in approx. 0.5 second
    • Distance measurement display step is 0.1m/yd.
    • Single or continuous measurement (up to 8 seconds)
    • Compact, lightweight and ergonomic design
    • High-quality 6x monocular with multilayer coating for bright, clear images
    • Large ocular for easy viewing (18mm)
    • Wide field of view (7.5 degrees)
    • Long eye relief design affords eyeglass wearers easy viewing
    • Diopter adjustment function
    • Rainproof — JIS/IEC protection class 4 (IPX4) equivalent (under our testing conditions)
    • Wide temperature tolerance: -10°C to +50°C

    Supplier SKU


    What's Included

    • Nikon Prostaff 3i Rangefinder
    • CR2 Battery

  • Dimensions & Specifications

    Measurement Range:

    8-650 yards

    Increment Reading:

    .1 yards



    Angular Field of View:

    7.5 degrees

    Viewfinder Display:


    Eye Relief:

    18.3 mm

    Diopter Adjustment:


    Power Source:

    One CR2 Lithium Battery


    4.4 x 1.4 x 2.8 inches


    5.6 ounces

    Objective Diameter:

    21 mm

    Active Brightness Control:


    Angle Compensation:


    Tru Target Technology:



    No, Water Resistant

  • Product Guarantee

    We stand behind all the products we sell, and your satisfaction is our top priority. If you're not satisfied with the quality of your purchase, simply send the item back to us in its original packaging within 30 days of its delivery.

    Manufacturer Warranty

    Default manufacturer warranty.

    Return & Exchange Policy

    At our site, returns are easy! You may return new, unused, and resalable items for a refund or exchange. Simply ensure that the item is returned in its original product packaging within 30 days of delivery.

Ask The Experts

Have questions about an item or need advice on selecting the right optic? Our team of experts is here to help! Avid outdoor enthusiasts themselves, they've tested gear in the field and can provide personalized product recommendations for just about any activity, from birding and hunting to sports and travel.

You can reach our Customer Support line at 1-800-246-6285. We're open 8 a.m. to 8 p.m. Central Time, Monday through Friday and 9 a.m. to 4 p.m. on Saturday.

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