By Peter Makulek · Senior Optics Editor · · Live prices from UK retailers
Pulsar dominates the UK weapon-mounted thermal market, but that dominance creates its own kind of confusion: the brand sells two genuinely different riflescope families, Thermion 2 and Talion, and it is not always obvious which one a given UK shooter actually needs. Both carry the Pulsar name, both use broadly similar thermal sensor technology, and both turn up in the same online searches — yet they are built around different priorities, different body designs and, as this comparison makes clear, different prices.
The short version: Thermion 2 is Pulsar's flagship weapon-sight range, built into a traditional 30mm scope-tube body that mounts and feels like a conventional day scope, with magnification ranges and sensor options aimed squarely at serious centrefire fox and deer work. Talion is the more compact, more affordable line, marketed explicitly across air rifle, rimfire and centrefire use, trading some magnification range and top-end sensor choice for a lighter, more versatile package. Neither is simply “better” — they are built for different rifles and different nights out.
This guide compares the two ranges on the specifications that actually change what you see through the eyepiece: sensor resolution and NETD (thermal sensitivity), detection range and magnification — and, because this is where most buyers actually get stuck, current UK retail prices, so you know what each tier genuinely costs before you commit.
As with any night optic, the legal picture in the UK sits alongside the buying decision, not after it. Fox and rabbit control at night is legal with the landowner's permission and no separate licence for the optic itself. Deer are different: shooting deer at night requires a specific licence from Natural England, Natural Resources Wales or NatureScot depending on where you are, regardless of how good the thermal scope mounted on the rifle is. A Thermion 2 or Talion buys you detection and image quality — it does not buy you legal authorisation to use it on every quarry, every night.

via Uttings
£599.00

via Uttings
£679.95

via Uttings
£699.00
Both ranges are built around the same core 384×288, 17-micron thermal sensor at their respective entry points, but the way Pulsar packages that sensor differs. The Talion XQ35 Pro, at £1,989.95, pairs a sub-25mK NETD sensor with a 1,350m detection range and a 2.5–10x magnification window in a compact body. Step up to the Thermion 2 line at a similar sensor class — the Thermion 2 XQ35 Pro at £2,199.95 or the Thermion 2 XQ50 Pro at £2,399.95 (£2,659.95 with the built-in laser rangefinder) — and the sensor sensitivity is the same sub-25mK rating, but detection range climbs to 1,800m and the larger-objective XQ50 variants gather noticeably more light in poor weather. The flagship Thermion 2 XP50 Pro (£3,699.95) moves to a 640×480 sensor with the same sub-25mK NETD and the same 1,800m detection range, but a wider 2–16x magnification range that suits longer, more considered shots on open ground.
Magnification range is the single clearest functional difference between the two lines. Talion's 2.5–10x window is deliberately narrow, prioritising a wide field of view and a light, compact body over reach — sensible on an air rifle or rimfire where engagement distances rarely stretch past 100 metres and a wide picture matters more than raw zoom. Thermion 2 goes wider at both ends: the XP50 Pro's 2–16x range gives a genuinely useful low-power setting for close cover work and enough magnification at the top end to place a considered shot on a fox at longer range across open farmland. If your shooting is genuinely mixed — close cover one night, an open field edge the next — the wider Thermion 2 range earns its extra cost more easily than it does on a rifle used at consistently short range.
Body design reflects the different priorities just as clearly. Thermion 2 is built into a traditional-looking 30mm tube designed to mount and handle like a normal day scope, which UK stalkers and fox shooters who already own conventional scope mounts tend to find reassuring and straightforward. Talion is explicitly pitched as suitable across air rifle, rimfire and centrefire rifles, which tells you plainly where Pulsar expects it to end up: a lighter, more compact unit that does not demand a dedicated heavy-duty stalking rifle to justify its weight and bulk. If you are equipping more than one rifle, or want a single thermal unit that can genuinely move between an air rifle for rats and a centrefire for foxing, Talion's stated versatility is a real practical advantage, not just marketing language.
Budget tiers across both ranges break down clearly once you line the real prices up. The Talion XQ35 Pro at £1,989.95 is the most affordable dedicated Pulsar weapon-mounted thermal riflescope currently on UK retail shelves, ahead of even the entry Thermion 2 XQ35 Pro at £2,199.95. The mid tier — Thermion 2 XQ50 Pro and its LRF sibling — sits at £2,399.95 to £2,659.95, adding a larger objective and, on the LRF variant, an integrated 800m laser rangefinder that removes range-estimation guesswork on a longer fox shot. Above that, Thermion 2 XP50 Pro (£3,699.95) and the larger XG50/XG60 and XL-series scopes push well past £3,300 for bigger sensors, higher magnification and longer detection ranges. Talion's own higher-tier XG35 model (£2,979.95) sits between the two families, offering a larger 35mm objective in the same compact Talion body for shooters who want more light-gathering without moving up to a full Thermion 2 tube.
Mounting is worth budgeting for separately, and the two ranges are not interchangeable on this point — Thermion 2 and Talion use different mount systems (Innomount's dedicated Thermion and Talion quick-release mounts each retail at roughly £339.95), so factor that into the total cost rather than assuming a spare set of rings from another scope will fit. Recoil rating matters too: always check the specific model's rated recoil tolerance against your rifle's cartridge before mounting either scope on a hard-kicking centrefire — Talion's air-rifle-to-centrefire billing does not mean every variant is rated for every calibre, and fitting a scope beyond its rated recoil is one of the most common, and entirely avoidable, ways a thermal riflescope gets damaged in its first season.
Buy either scope from an authorised UK dealer rather than a grey import. Authorised UK dealers sell with full UK warranty support and UK-spec firmware, and pricing is consistent across the main UK thermal retailers — a sign of a stable UK market price rather than a temporary promotion. If a listing looks significantly cheaper than the prices quoted here, check carefully that it is the current-generation Pro sensor variant and not older run-out stock, since Pulsar has revised the sensor and NETD rating across both ranges more than once in recent years.
Thermion 2 is Pulsar's flagship weapon-sight line, built in a traditional 30mm scope-tube body with wider magnification ranges and sensor options that suit dedicated centrefire fox and deer work. Talion is a more compact, lighter range explicitly marketed across air rifle, rimfire and centrefire rifles, with a narrower magnification window better suited to shorter engagement distances. Both share the same sensor generation at comparable price points, so the choice comes down to rifle type and shooting distance rather than image quality alone.
Yes — the Talion XQ35 Pro's sub-25mK NETD sensor and 1,350m stated detection range are genuinely capable for typical UK fox-control distances, and Pulsar markets the Talion explicitly for centrefire use alongside air rifle and rimfire. Where it differs from a Thermion 2 is magnification range (2.5–10x versus up to 2–16x on the Thermion 2 XP50 Pro), which matters more if you regularly take longer, more considered shots across open ground rather than working closer cover.
Talion is explicitly marketed as suitable across air rifle, rimfire and centrefire rifles, making it the more natural fit if you want one thermal scope to move between a sub-12 ft/lb air rifle and a centrefire. Always check the specific model's rated recoil tolerance before mounting on any rifle — and remember that a sub-12 ft/lb air rifle's humane-kill range stays around 35–45 yards regardless of how far the scope can detect a heat signature, so a long detection range does not extend what is a safe, humane shot on an airgun.
A built-in LRF is genuinely useful on a thermal scope specifically because there is no foliage, terrain texture or familiar visual reference in a thermal image to judge distance by eye the way you can through a conventional day scope. If you regularly take longer or variable-range shots — open farmland fox control, for example — the price premium for the Thermion 2 LRF XQ50 Pro over the standard XQ50 Pro is a reasonable investment in first-shot accuracy. For closer, more consistent-range work it is a genuine nice-to-have rather than a necessity.
Owning and mounting a thermal scope is legal, but shooting deer at night additionally requires a specific licence from Natural England, Natural Resources Wales or NatureScot depending on where you are shooting — the thermal scope itself does not grant that authorisation. Fox and rabbit control at night is legal with the landowner's permission and does not require the same licensing, which is why most UK thermal riflescope buyers use these scopes primarily for pest control rather than deer work.
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