IR and field distance
Night vision performance depends heavily on IR illumination, field conditions and target distance. Check whether an add-on illuminator or mount is needed.

Athlon HELOS BTR 1-4.5x24 ATSR3 SFP IR MOA Optics Scope Engineered for competitive shooters, the Athlon HELOS BTR 1-4.5x24 ATSR3 SFP IR MOA scope delivers precision performance ideal for: Service rifle matches AR platform shooting Short to mid-range applications Competition-Ready Tactical Features This rugged optic stands out with: ✔ Robust turrets offering 23 MOA per rotation ✔ Intelligent revolution locking system ✔ Premium fully multi-coated lenses The innovative revolution locking feature maintains elevation adjustments within one rotation from zero, eliminating turret position confusion during critical moments.
ATSR3 Competition Reticle System Precision-engineered for match shooting, the glass-etched ATSR3 reticle provides: ○ Perfect centre circle sizing for standard targets ○ Ultra-fine centre dot for absolute precision ○ Horizontal markings for rapid windage compensation This optics system delivers: Consistent 600-yard performance Optimised trajectory with 23 MOA adjustment Ideal functionality for: 3-Gun competitions Tactical training scenarios CMP match requirements Learn More: Athlon
Buyer guidance
Plain, practical checks for UK buyers comparing thermal, night vision and rifle optics before paying.
Night vision performance depends heavily on IR illumination, field conditions and target distance. Check whether an add-on illuminator or mount is needed.
Confirm whether the unit is a scope, clip-on, add-on or handheld device. The right mounting route prevents wasted orders and return delays.
If you are unsure about mounts, batteries or recording, ask support with the SKU and rifle setup before checkout.
Useful details to confirm before payment, especially for rifle-mounted optics and add-ons.
Practical questions a UK optics buyer is likely to check before ordering.
Check the category, sensor and illumination notes above. Thermal and night vision products are surfaced with specialist category context.
Use the SKU, brand and specification table when contacting support so compatibility can be checked before purchase.
Delivery, returns and checkout information is shown before payment so the buying path stays clear.
More equipment from the same category for easier comparison.
Back-orderAthlon
Magnification: 6-24x; Obj. Lens Diameter: 56mm; Eye Relief: 3.7”; Tube Diameter: 34mm; FOV @100 YDS: 19.9-5.12 ft.
Back-orderAthlon
Magnification: 6-24x; Obj. Lens Diameter: 56mm; Eye Relief: 3.7”; Tube Diameter: 34mm; FOV @100 YDS: 19.9-5.12 ft.
Back-orderAthlon
Magnification: 4-20x; Obj. Lens Diameter: 50mm; Eye Relief: 3.6”; Tube Diameter: 30mm; FOV @100 YDS: 27.9-5.6 ft.
Back-orderAthlon
Magnification: 4-20x; Obj. Lens Diameter: 50mm; Eye Relief: 3.6”; Tube Diameter: 30mm; FOV @100 YDS: 27.9-5.6 ft.