Riflescope RS.1 – 2.5-15X44 FFP


-Premium Model
-Size: 14.1 in.
-Weight: 24.5 oz.
-First Focal Plane
-0.25 MOA/click
-2 Reticle Options: MOA and SHR-2
-Extra-Low Dispersion ED Glass
-Exceptionally Clear, Bright, High Contrast Image
-Excellent Color Fidelity
-Waterproof and Fog Proof
-Lifetime Warranty
-Direct to Consumer / No Retail Markup

Riflescope Comparison Chart (PDF)
Riflescope Manual (PDF)

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Riflescope RS.1 – 2.5-15X44 FFP, a scope designed specifically for hunters who require increased precision and flexibility to cover a variety of hunting situations. This purpose-built rifle scope features a first focal plane, a 2.5-15x zoom range, side parallax adjustment, and the freedom to dial optional custom-cut and MOA turrets. With a broad magnification range and precision dialing capabilities, the Riflescope RS.1 is our recommended rifle scope for all eastern and western big game species.

Just like all rifle scopes in the RS Series, the RS.1 features crystal clear ED glass for tack-sharp clarity, a silky focus mechanism, precision-milled adjustments, solid click detents, and durable anodizing to resist heavy use.

The Maven RS Series represents our elite line of rifle scopes, designed to fit your specific needs, delivered for a fraction of the cost to comparable rifle scopes and stacks up with the most celebrated and expensive scopes in the world. Our modern sportsman inspired designs paired with the best available materials and state of the art technology create an uncompromising optic that meets the demands of the modern hunter.

Includes neoprene cover.





Black, Black Grey


Focal plane First
Magnification range 2.5x – 15x
Obj. lens diameter 44mm
Tube diameter

30mm / 1.18in

Objective outer diameter


Eyepiece outer diameter 43.6mm
Overall length 357mm / 14.05in
Weight (without battery) 24.5oz /694.5g
Internal adjustment range (MOA)
     Elevation MOA total 100 MOA
     Windage MOA total 70 MOA
Click value 0.250 MOA
Adjustment per turret revolution 20 MOA
Parallax adjustment 10y – Infinity
Exit pupil diameter @2.5x: 28.5mm @15x: 2.93mm
Eye relief @2.5x: 86-100mm @15x:86-100mm
Field of view @ 100y @2.5x: 41.7ft @15x: 7.0ft
Front/Rear mounting length F: 54.5mm


Effective objective lens diameter @2.5x: 28.5mm

@15x: 44.0mm

Field of view @2.5x: 7.95°

@15x: 1.35°

Field of view, apparent

@2.5x: 19.7°

@15x: 20.0°

Diopter correction (dpt) +/-2
Light transmission 89.00%
Twilight factor

@2.5x: 8.4

@15x: 25.7

Functional temperature


Submersion tightness / waterproof rating 3m depth
Gas purged Nitrogen
Reticle construction Etched glass
Reticle options MOA/SHR/
Illuminated reticle Y/N No
Origin Made in Japan



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