Nightforce NX8 2.5-20 Tremor3

The Nightforce NX8 2.5-20 Tremor3 F1 riflescope is an ultra-compact and capable riflescope. Building upon the legendary durability of the Nightforce NXS family, the NX8 is a first focal plane with an 8x zoom range in a small package. This wide zoom range helps for fast engagements at close range along with the ability to detect, identify and engage targets at long range.

NX8 also features include the ZeroStop elevation adjustment for a rapid return to zero. The 50 mm objective is advanced  for resolution and light transmission, with a parallax adjustment coming as close as 11 yards. The integrated Power Throw Lever helps power changes fast and easy. The performance available in such a compact size makes the NX8 2.5-20×50 F1 a great choice for your favorite semi auto precision rifle or compact bolt action rifle.

Featuring the TReMoR3 Reticle

The TReMoR3 reticle is all about faster shooting.  The Accuracy 1st – Speed Shooting Formula is built right into the elevation hold of the reticle making even faster shooting possible.  It’s field-proven to make wind calls easier.  The reticle also allows one to accurately mil targets very quickly. Illuminated version.

Nightforce NX8 2.5-20 Tremor3 Features

8 x zoom range, 2.5 x to 20 x magnification

Extra low Dispersion glass for superior image quality

Compact length at 12.0”

ZeroStop elevation adjustment for quick and easy return to zero

Integrated Power Throw Lever

Locking diopter adjustment

Also Available in MIL-XT, MIL-C and MOAR


Objective Lens Diameter 50 mm
Magnification Zoom: 2.5X to 20X
Tube Diameter 30 mm
Field of View @ 100 yds 41.8 ft – 7.0 ft
Eye Relief 3.44″
Exit Pupil 7.1 mm – 2.5 mm
Reticle Focal Plane 1st Focal Plane
Weather Resistance Water/Fog Proof
Illuminated Reticle Yes
Parallax Adjustable yes – 10 yards to infinity
Exterior Finish Matte Black
Turret Type Tactical  MIL
Turret Click Value 0.1 MIL
Max Elevation Adjustment 32 MRAD
Max Windage Adjustment 23.3 MRAD
Length 12.0″
Weight 28.3 oz

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Additional information

Weight 1.8 lbs


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