Model comparison
Thermion 3 XR60 or XT60: Is the 1280 Sensor Worth It?
Most buyers assume the 1280×1024 XT60 sees further than the 640×480 XR60. It doesn't. Both Pulsar Thermion 3 LRF models put 12 µm pixels behind the same 60 mm lens, so each pixel covers about 2.0 cm at 100 m on both, by our estimate from the lens and sensor specs. An animal at a given distance gets the same number of pixels either way. The extra money for the XT60 buys a view twice as wide and a finer-looking picture at low magnification, not more reach.
So the real question is whether you need that width. For open country at distance, we'd buy the Thermion 3 LRF XR60. For timber edges, close country and fast scanning, the Thermion 3 LRF XT60 earns its price.
Same lens, same detail
The XT60's sensor has four times as many pixels, but they're the same size as the XR60's. Behind the same lens, the bigger sensor simply covers more of the scene. The diagram below lays the two views over each other at 100 m.
Turn the XT60 up to 4× and it shows exactly what the XR60 shows at 4×, using the same number of sensor pixels. Above that, both models are enlarging the picture digitally, so neither adds real detail as you zoom further. The full spec list is in our Pulsar Thermion 3 LRF review.
What the XT60 does give you is a better-looking picture when zoomed out. At 2× its full 1280-pixel width fills the 2560×2560 display, so we'd expect the wide scene to look smoother and finer than a 640 sensor stretched to the same screen.
What the extra width means in the field
Width matters most when animals appear close and move. The chart below shows how much ground each model takes in at its starting magnification.
Picture a clearing on a high-country timber edge, where pigs step out of the scrub about 60 m away. The XR60 at 4× shows a strip of ground roughly 7.7 m wide at that distance; a pig trotting across can be in and out of view in a couple of strides. The XT60 at 2× takes in about 15.4 m, so you can follow the animal while you settle the rifle.
Now picture an open paddock with foxes working the far fence at 250 m. Here the XR60's 4× start puts the fox bigger in the eyepiece without touching the zoom, and the narrower view is no handicap because the animal isn't darting out of frame. The XT60 does the same job once you zoom to 4×, but it gets there with a twist of the ring.
Where the XR60 pulls ahead
The XR60 has two practical advantages, shown with the rest of the differences in the chart below. Pulsar rates it at up to 14 hours against 8.5 hours for the XT60, both at 22 °C, because the bigger sensor takes more power to process. Its system NETD is also rated a little lower, under 18 mK against under 20 mK, which helps contrast on humid nights.
Zeroing works the same way on both at a given magnification. At base magnification, one click moves the XR60's reticle 10 mm at 100 m and the XT60's 20 mm, but Pulsar's click value halves each time you double the zoom. At 4× both move 10 mm per click, so zero the XT60 at 4× or higher for finer steps.
Everything else is shared: the 1,200 m rangefinder, ballistic calculator, 65 mm eye relief, 128 GB of memory, IP67 sealing and the 1.3 kg weight. That weight is the main drawback of both, and it doesn't change with the sensor.
Which one to choose
Our pick: the XR60 for anyone shooting foxes, pigs and deer across open farmland, where most animals are 150 m or more away. It recognises them as far out as the XT60, starts at a useful 4× and runs much longer on a charge. Choose the XT60 if you hunt timber edges, gullies and close country, scan wide paddocks from the vehicle, or want the most detailed Thermion picture and are happy to swap batteries sooner.
If what you really want is more reach, neither Thermion 3 adds it over the other; a longer lens does. Our HIKMICRO Stellar 4.0 review covers the 75 mm SX75L, which holds detail further out than either Thermion 3.
Compare the two Thermion 3 models
Check the current price and availability on each product page.
Thermion 3 LRF XR60 Thermion 3 LRF XT60Thermion 3 XR60 vs XT60 FAQ
Does the Thermion 3 XT60 see further than the XR60?
No. The Pulsar Thermion 3 LRF XT60 and XR60 use the same 60 mm lens and 12 µm pixels, so each pixel covers about 2.0 cm at 100 m on both, by our estimate. They recognise a fox at roughly 220–290 m either way. The XT60's 1280×1024 sensor gives a wider view, not longer reach.
Why does the Thermion 3 XR60 start at 4× magnification?
The Pulsar Thermion 3 LRF XR60 starts at 4× because its 640×480 sensor covers a 7.3° view behind the 60 mm lens, half the width of the XT60. That puts a distant animal larger in the eyepiece without zooming, which suits open-country shooting. The trade-off is a narrower 12.8 m view at 100 m for scanning and close work.
Which Thermion 3 has the longer battery life?
The Pulsar Thermion 3 LRF XR60. Pulsar rates it at up to 14 hours against 8.5 hours for the XT60, both at 22 °C with the built-in and removable APS5 batteries. The XT60's higher-resolution sensor needs more processing power. On a long night with the XT60, carry a charged spare APS5 or a USB-C power bank.
Which Thermion 3 has the better NETD?
The Pulsar Thermion 3 LRF XR60, slightly. Pulsar rates its system NETD at under 18 mK against under 20 mK for the XT60. A lower figure helps hold contrast on humid nights or after rain, when animals and background are close in temperature. In practice the difference is small next to the XT60's much wider view.
What is the zeroing click value on the Thermion 3 XR60 and XT60?
At base magnification, one click moves the reticle 10 mm at 100 m on the Pulsar Thermion 3 LRF XR60 and 20 mm on the XT60. The click value halves each time you double the zoom, so both move 10 mm per click at 4× and finer above that. For precise zeroing on the XT60, zero at 4× or higher.
Is the Thermion 3 XT60 or XR60 better for timber and close country?
The Pulsar Thermion 3 LRF XT60. Its 2× starting magnification and 25.7 m view at 100 m keep an animal stepping out of scrub in the frame, where the XR60's 4× and 12.8 m view can lose it in a couple of strides. Bear in mind both weigh 1.3 kg, which is heavy for stalking through timber on foot.
Is the Thermion 3 XR60 or XT60 better for open paddocks?
The Pulsar Thermion 3 LRF XR60, for most shooters. It recognises animals as far out as the XT60, starts at 4× so distant foxes and pigs appear larger straight away, and carries a 14-hour battery rating. The XT60 still works well in open country, but you'll pay more for width you may rarely need there.
What does the extra money for the Thermion 3 XT60 buy?
The Pulsar Thermion 3 LRF XT60 buys you a 1280×1024 sensor with twice the view width of the XR60, 25.7 m against 12.8 m at 100 m, plus a lower 2× starting magnification and a finer-looking picture when zoomed out. It doesn't buy extra reach, since both share the same 60 mm lens, and its battery rating is shorter.
This comparison is based on Pulsar's published Thermion 3 LRF specifications; per-pixel and view-width figures are our calculations from those specs.