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New for 2021, the 4-20×50 F1 fills an important magnification range in the ATACR line. Equally at home atop a bolt action or a semi-automatic rifle, the 4-20×50 F1 is smaller and lighter than the 5-25×56 F1 while offering a 25% improvement in magnification over the 4-16×42 F1. With Digillum, a ZeroStop turret, power throw lever, ED lenses, and 20x max magnification, the ATACR 4-20×50 F1 is our apex mid-power scope.
| Magnification Range | 4-20x |
|---|---|
| Focal Plane | First Focal Plane (F1/FFP) |
| Body Tube Diameter | 34mm |
| Overall Length | 13.9 in/353 mm |
| Mounting Length | 5.9 in/150 mm |
| Weight | 35.2 oz/998 g |
| Click Value | .250 MOA or .1 MRAD |
| Internal Adjustment Range | E: 130 MOA/38 MRAD W: 100 MOA/29 MRAD |
| Parallax Adjustment | 11 yd–∞ |
| Eye Relief | 3.5 in/90 mm |
| Field of View @ 100 yd or m | 4x: 23.6 ft/7.9 m 20x: 6.1 ft/2.0 m |
| Exit Pupil | 4x: 8.3 mm 20x: 2.5 mm |
| Illumination | Digillum |
| Elevation Feature | ZeroStop |
| Power Throw Lever | Standard |
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