Description
The Nightforce NX8 2.5-20×50 F2 (part number C638) is a second focal plane (f2) riflescope with a 2.5-20x zoom range, 50 mm objective and 30 mm main tube, fitted with the Mil-CF2 reticle and .1 MRAD click adjustments. It weighs 28.6 oz (811 g) and is 12.1 in (308 mm) long, giving an 8:1 zoom ratio in a package short enough for compact hunting rifles and long-range gas guns alike. The Mil-CF2 is a mil-based hold-over reticle with 0.2 mil subtensions, scaled for the second focal plane so holds are correct at 20x. ZeroStop lets you return to zero by feel, DigIllum digital illumination gives a daylight-usable centre, and the Power Throw Lever (PTL) is fitted as standard. Finish: Black. Australian supply is through the Lightforce Australia group in Hindmarsh SA; 3 Gun Tactical in Tingalpa, Brisbane, can order any NX8 configuration.
Key features
- Magnification 2.5-20x, 50 mm objective, 30 mm tube
- Second focal plane (F2) Mil-CF2 reticle, MRAD, DigIllum illuminated
- Adjustment .1 MRAD per click; elevation 110 MOA / 32 MRAD, windage 80 MOA / 23 MRAD
- Eye relief 3.5 in (88 mm); field of view 36.7 ft (12.2 m) at 2.5x / 6.1 ft (2.0 m) at 20x @100 yd
- Exit pupil 5.9 mm – 2.5 mm; parallax 11 yd (10 m) to infinity
- Weight 28.6 oz (811 g); length 12.1 in (308 mm); mounting length 5.4 in (138 mm)
- ZeroStop return-to-zero, Power Throw Lever (PTL) standard
- Finish Black; Nightforce part number C638
Frequently asked questions
Is the NX8 2.5-20×50 F2 first or second focal plane?
Second focal plane (F2). The reticle stays the same size as you zoom and the CF2 holds are calibrated at 20x.
What clicks does part C638 have?
.1 MRAD per click with the Mil-CF2 reticle (MRAD). Elevation travel is 110 MOA / 32 MRAD and windage 80 MOA / 23 MRAD.
Do I need a licence to buy a riflescope?
No. A riflescope is an accessory and ships anywhere in Australia. Firearms it is fitted to are licensed separately.
Riflescopes are optical accessories, not firearms, and ship Australia-wide without a licence. Specifications from Nightforce Optics (nightforceoptics.com); Nightforce is distributed in Australia through the Lightforce Australia group, Hindmarsh SA. 3 Gun Tactical, Licensed Firearms Dealer 50001578, Tingalpa QLD.





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