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Guide Apex Vision – An Actual Upgrade of Thermal Imaging or Just Marketing Fluff?
Guide has built a strong reputation over the past few years for delivering solid thermal imaging performance at a fraction of the price of the bigger brands (e.g. HIKMICRO, Nocpix, etc.).
They've gained a strong foothold in the Aussie market - with thermal optics that get the job done at typical hunting distances under 300m.
But if you've used Guide alongside other market leaders like HIKMICRO or Nocpix, one thing has been evident. While Guide performed well, it was still a step behind when it came to image detail and sharpness at longer distances and higher levels of digital zoom.
Not a dealbreaker, but certainly an area for improvement.
Enter Guide's 2026 release of its Apex Vision technology.
Guide has kept what works but introduced a new thermal sensor and image processing platform. In simple terms, this is designed to produce a better thermal image all around, both at shorter and longer distances, as well as at higher levels of digital zoom. It's also intended to produce a smoother image and improve target tracking when following fast moving targets.
But is Apex Vision a genuine upgrade, or is it all just marketing hype?
To get to the bottom of this we've got our hands on Guide's latest Apex Vision TU650LS thermal scope and put it through its paces against one of our previous bestsellers, its predecessor, the Guide TU650P 3.0 thermal scope.
We've compared the two scopes side by side to see what's actually changed, where the improvements are noticeable, and whether they're worth the extra money.
Here's what we found.
| Specification |
Guide TU650P 3.0 null |
Guide TU650LS (Apex VIsion) null |
| Thermal sensor | 640 × 512px | 640 × 512px |
| Objective lens | 50mm | 50mm |
| NETD | Under 18mK | Under 15mK |
| Magnification | 3.7x – 29.6x | 3.7x – 29.6x |
| Field of View (Degrees/m @ 100m) | 8.8° × 7.0°/15 × 12m | 8.8° × 7.0°/15 × 12m |
| Frame Rate | 50Hz | 50Hz |
| Detection Range | 2600m | 2600m |
| Image processing | Previous platform | Apex Vision |
| Price difference | $5199 | $5699 |
Guide TU650LS vs TU650P 3.0: What's Changed?
On paper, the two scopes share many of the same core specifications.
Both feature a 640 × 512px thermal sensor and a 50mm objective lens. Detection range, frame rate, magnification and field of view are also listed as the same.
The main difference is that the TU650LS features Guide's new Apex Vision technology, which brings the NETD down to <15mK, compared with <18mK on the TU650P 3.0.
But specifications only tell part of the story. What really matters is how these differences translate into actual performance in the field.
1. Improved Thermal Image Quality
The new Guide Apex Vision TU650LS makes good on its promise of improved image detail at both native magnification and higher levels of digital zoom.
Would I go as far as to say that it's 10x better, as marketed by Guide?
No, but there's definitely some improvement there, and it's noticeable.
Just below is a side by side comparison of footage from the TU650P 3.0 vs TU650LS.
To give both scopes a fair comparison, we filmed side by side footage at the following distances:
- 50m
- 100m
- 200m
- 300m
We compared the scopes at both base magnification and higher levels of digital zoom.
The footage was filmed on a relatively warm 20°C morning, with clear skies and the sun beating down on the surrounding environment.
Not exactly the best conditions for thermal imaging, particularly when you're trying to pick out subtle differences in image detail.
We also made sure the image enhancement mode was switched on in the older TU650P 3.0 to get the best possible image out of it.
Both scopes were set to the same colour palette, brightness, scene and contrast settings to make the comparison as fair and unbiased as possible.
What Did We Find?
Even under these conditions, we were impressed with the image quality of the new TU650LS.
The difference is particularly relevant when looking at image detail at longer distances and when using digital zoom.
While the improvement isn't necessarily going to be night and day for everyone, it's a welcome step forward for those who want to squeeze as much detail as possible out of their thermal scope.
2. Improved Target Tracking and Image Smoothness
Another major improvement with the new Guide Apex Vision range is the upgraded image processing capability, which is intended to reduce latency and lag in the thermal image when tracking moving targets.
And this is where things get particularly interesting.
How We Tested Target Tracking
To put this to the test, we mounted both the TU650P 3.0 and TU650LS on a tripod rig next to each other and moved the rig from side to side.
This allowed us to compare how each scope handled movement under the same conditions.
We've managed to capture the footage below, and the difference is noticeable even at normal 1x playback speed.
When we slow things down to 0.5x speed, it's even clearer that the image processing in the older TU650P 3.0 is no match for the TU650LS in this test.
Why Does This Matter?
A smoother image when moving your scope might not sound like the biggest deal on paper, but it can make a noticeable difference when scanning an area or following moving animals.
This is particularly relevant if your target species are pigs, foxes or other fast moving animals, where being able to follow the action smoothly can be important.
The difference we observed in our side by side test makes this one of the more meaningful improvements in the new Apex Vision range.
3. Quality of Life Improvements
Now that we've got the main talking points out of the way, let's talk about some things Guide has changed with its new Apex Vision range that no one seems to be talking about.
And that is the quality of life improvements.
Perhaps what we loved most about the new Apex Vision range is the smaller details.
They're not necessarily the sort of changes that will sell a scope on their own, but they're the kind of improvements that make using the product a little easier.
Here are two that stood out to us.
On Device Ballistics Calculator Setup
In the previous TU650P 3.0 models, setting up the ballistics calculator required you to download an app on your mobile or tablet, input your ballistics data, and then transmit that data to your scope.
A bit tedious when you just want to get everything set up and get out into the field.
Guide has obviously listened to this feedback, as you can now do all this directly within the TU650LS and other compatible Apex Vision scopes with a laser rangefinder.
It's a welcome change that removes a few extra steps from the setup process.
Simplified Menu Navigation
They've also simplified the menu navigation.
A short press now brings up the basic image settings you're more than likely to use in the field, rather than having a long, cluttered list of settings appear.
Of course, a more extensive list of settings is still available by navigating to the 'advanced functions' menu.
It's a small change, but one that makes accessing the settings you use most often a little more straightforward.
These quality of life improvements aren't game changers on their own, but they do show that Guide is listening to feedback and incorporating positive changes into its newer products.
And sometimes these little 1% improvements add up over time and have an impact on your overall long term experience.
4. Final Verdict: Is Guide Apex Vision Worth the Extra Money?
So, we've looked at the improvements in image quality, target tracking and everyday usability.
But the big question remains: are these improvements worth the extra $500 over the older TU650P 3.0?
In our view, yes particularly if you regularly hunt at longer distances or track moving animals.
However, that doesn't automatically mean everyone with an older Guide thermal scope should rush out and upgrade.
Let's break it down.
If You Already Own a Guide TU650P 3.0
Would I be scrambling to sell off my Guide TU650P 3.0 so I could upgrade to the Guide TU650LS?
Not necessarily.
If you primarily hunt at shorter distances and use your thermal scope to locate relatively stationary pests, such as rabbits, rats or pigeons, the improvements may not justify spending another $500.
The TU650P 3.0 is still a capable thermal scope, and there's no reason to upgrade simply because a newer model has been released.
However, if you regularly find yourself shooting at distances beyond 200m and tracking moving targets such as pigs and foxes, there's a stronger argument for upgrading.
The improved image detail at higher levels of digital zoom and smoother image processing when tracking moving targets are the two main reasons I'd consider making the jump.
If You're Buying Your First Thermal Scope
If you're shopping for your first thermal scope, the TU650LS is certainly worth considering.
You're getting the newer Apex Vision technology, improved image processing and several handy quality of life improvements.
Whether it's worth paying the extra money will ultimately depend on your intended use, budget and how much value you place on those improvements.
But if image detail at longer distances and smoother target tracking are high on your priority list, the TU650LS makes a strong case for itself.
Ultimately, Guide hasn't reinvented the wheel here. It's taken an already capable thermal scope and improved on the areas where there was room to do better.
And that's exactly what we want to see from a new generation of products.
Still Deciding Between the TU650LS and TU650P 3.0?
If you're not sure whether the extra performance of Apex Vision is worth the investment for your style of hunting, get in touch with Primal Hunter.
We're happy to talk through your requirements and help you work out which thermal scope makes the most sense for your needs.
No sales BS, just honest advice to help you make the right choice.
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