What They Have in Common
Both shoot at 6x magnification, both have slope, and both use a red OLED display inside the viewfinder. Accuracy is excellent on each — the Z82 claims within 10 inches at the pin, the Nikon claims ±1 yard. Both are waterproof enough for rain. That's a solid shared baseline, but the similarities stop there fast.
Where They Differ
The Core Concept
Here's the thing most people miss when they look at these side by side: the Z82 isn't really a rangefinder with GPS added on. It's GPS-first, with a laser built into the body. Through the viewfinder, you see a full-color 2D course map with hazard distances, layup yardages, and the laser arc overlaid on it. That's genuinely useful for course management — you can see the carry over a bunker while you're ranging the flag. The COOLSHOT PROIII doesn't do any of that. It ranges the target, shows you the number, and gets out of your way.
Neither approach is wrong. But they're different philosophies about what a rangefinder should be.
Image Stabilization vs. GPS Overlay
The COOLSHOT PROIII's headline feature is its stabilization — Nikon calls it "Dual Locked On Quake" in their marketing, which is a lot of syllables for "the image steadies when you lock the flag." It also claims a 0.1-second read. In practice, image stabilization matters most on longer shots where hand tremor makes the flag harder to hold in frame. If you've ever fought to lock onto a flag at 200 yards while your elbow is resting on a cart, you know the feeling. Stabilization helps.
The Z82 doesn't have optical stabilization — it has a completely different value proposition in the form of 41,000 preloaded courses and live wind data via the companion app. That's a different kind of useful.
Battery and Practicality
The Z82 is rechargeable lithium-ion, rated up to 15 hours in GPS mode. Charge it the night before, forget about it for a round or two. The COOLSHOT PROIII runs on a single CR2 battery good for roughly 2,700 measurements, which sounds like a lot until you do the math and realize a round might use 50-80. You'll get a long time out of it — but you will eventually need a CR2, and that means carrying a spare or finding one. CR2 batteries are at most pharmacies, but "most" isn't "all," and the wrong week to run out is a tournament morning.
Price and Warranty
The Z82 is $599.99. The COOLSHOT PROIII is $499.95. The $100 gap is real. Nikon also backs the COOLSHOT PROIII with a 5-year warranty, which is notably longer than what you typically see in this category — seems like Nikon is using that warranty to signal confidence in the build, because the spec sheet otherwise doesn't spell out water resistance as aggressively (IPX4 vs. the Z82's IPX7).
Who Should Buy Which
Get the Garmin Approach Z82 if:
- You want a device that replaces both your rangefinder and your GPS — you're done carrying two things or paying for a separate app subscription
- You play a lot of unfamiliar courses and want hazard distances and layout info in the viewfinder before you hit
- You prefer rechargeable over disposable batteries and don't want to think about CR2s
- You're the player who actually uses course management data: layups, wind, carry distances over trouble
Get the Nikon COOLSHOT PROIII STABILIZED if:
- You're the 14-handicap who plays the same three courses every summer and just needs a fast, accurate number to the flag without navigating menus
- You've ever struggled to hold steady on a far pin — especially on longer par-3s — and want stabilization to do that work for you
- You'd rather have a 5-year warranty than GPS features you'll ignore
- Budget matters and the $100 difference represents a sleeve and a half of balls you'd rather keep
The Bottom Line
If you're already thinking about connected features and course overlays, the Z82 is genuinely in a category by itself — no other laser rangefinder gives you a live course map in the viewfinder. You're paying for that. If you just want a clean, fast, reliable laser and those GPS features sound like noise you'll ignore, the COOLSHOT PROIII is $100 cheaper, has image stabilization, and comes with a five-year warranty. That's a strong package.
I'd go with the Z82 for golfers who want the full ecosystem, and the COOLSHOT PROIII for everyone else — it's the better pure rangefinder for the money.
Get the Nikon COOLSHOT PROIII STABILIZED.
See Also