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 GEN2 1-10×28 ATMR4 SFP IR MOA Optics Scope The Athlon HELOS BTR GEN2 1-10×28 ATMR4 SFP IR MOA Optics Scope is a second focal plane option for tactical shooters looking for the latest trend in optics at an affordable price.
Accurately assess and engage silhouette-sized targets out to 700 yards using 68 or 69 gr .223/5.56 Nato cartridges with the ATMR4 SFP IR MOA reticle.
Magnification: 1-10x; Obj.
Lens Diameter: 28mm; Eye Relief: 3.2”; Tube Diameter: 34mm; FOV @100 YDS: 110-10 ft; Second Focal Plane; Illuminated Reticle.
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.
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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.
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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.