NightForce C542: ATACR 4-16X42 F1, MOAR, ZeroHold

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If you need something compact yet powerful, the ATACR 4-16x42 F1 delivers. The fully multi-coated ED glass lenses within are stunning. Adjustments are standard with the Nightforce low profile ZeroHold feature, and available in .1 Mrad (12 Mils per revolution) or .25 MOA (30 MOA per revolution) increments. A capped windage adjustment helps prevent accidental adjustment in the field. The parallax adjustment is marked with approximate numbered distances and is coupled with DigIllum digital reticle illumination. The eyepiece features enhanced engraving, an integrated Power Throw Lever (PTL) and an XtremeSpeed thread for making a fast diopter adjustment. All of these features are paired with intelligent, Nightforce F1, first focal plane, reticles that provide for fast hold-off adjustments and precise ranging calculations. The ATACR 4-16x42 F1 sets a new standard in mid-powered optics.

Focal Plane First
Objective outer diameter 50mm
Exit pupil diameter 4x:10.3mm
Field of view @100 yards/100 meters 4x: 26.9ft
16x: 6.9ft
4x: 8.1m
16x: 2.1 m
Eye relief 85-90mm/3.35-3.54 in
Internal adjustment range (MOA/Mil) e: 89 MOA
w: 60 MOA
e: 26 Mil
w: 18 Mil
Click value .250 MOA
.1 Mil-rad
Parallax adjustment 45 yds - ∞
Tube diameter 34mm/1.34in
Eyepiece outer diameter 45 mm
Overall length (inches/mm) 12.6in/320 mm
Weight (ounces/grams) 30 oz/850g
Mounting length (inches/mm) 6.3 in/160 mm
PTL (Power Throw Lever) Standard
Reticles available MOAR™
H59™ *
TReMoR3 *
Elevation Feature
(* Non-Illuminated)



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Max Magnification:
Reticle Position:
First Focal Plane


  • 4
    Good product, some shortcomings.

    Posted by Alexander Vinnitsky on Mar 15th 2016

    Love the 1st focal plane, glass is outstanding, very rugged (though not tested yet), clicks very precise. Reticle is wonderful, although for my next scope I will switch to mil based system.
    One major complaint--reticle illumination is stupid insane crazy complicated. It works, but there are much better ways of accomplishing this. I know because other manufacturers have done it.