# Nightforce ATACR 4-16x42 F1 vs Athlon Ares ETR 4.5-30x56: specs and price compared

A sourced, side-by-side comparison of the Nightforce ATACR 4-16x42 F1 (Nightforce) and Athlon Ares ETR 4.5-30x56 (Athlon) among rifle scopes. Athlon Ares ETR 4.5-30x56 is the cheaper of the two at $1437.49.

## Side by side

| Spec | Nightforce ATACR 4-16x42 F1 | Athlon Ares ETR 4.5-30x56 |
| --- | --- | --- |
| US price | $2900 | $1437.49 |
| Brand | Nightforce | Athlon |
| Magnification range | 4-16x | 4.5-30x |
| Objective diameter (mm) | 42 | 56 |
| Tube diameter (mm) | 34 | 34 |
| Focal plane | FFP | FFP |
| Reticle illuminated | Yes | Yes |
| Elevation travel mil | 26 | 32 |
| Click value | .1 MRAD | 0.1 MIL |
| Field of view (ft) | 26.9 | 24.5 |
| Eye relief (in) | 3.5 | 3.9 |
| Parallax type | side-focus | — |
| Length (in) | 12.6 | 15.3 |
| Weight (oz) | 30 | 36.5 |

## Key differences

- Magnification range: Nightforce ATACR 4-16x42 F1 4-16x vs Athlon Ares ETR 4.5-30x56 4.5-30x
- Objective diameter (mm): Nightforce ATACR 4-16x42 F1 42 vs Athlon Ares ETR 4.5-30x56 56
- Elevation travel mil: Nightforce ATACR 4-16x42 F1 26 vs Athlon Ares ETR 4.5-30x56 32
- Click value: Nightforce ATACR 4-16x42 F1 .1 MRAD vs Athlon Ares ETR 4.5-30x56 0.1 MIL
- Field of view (ft): Nightforce ATACR 4-16x42 F1 26.9 vs Athlon Ares ETR 4.5-30x56 24.5
- Eye relief (in): Nightforce ATACR 4-16x42 F1 3.5 vs Athlon Ares ETR 4.5-30x56 3.9
- Length (in): Nightforce ATACR 4-16x42 F1 12.6 vs Athlon Ares ETR 4.5-30x56 15.3
- Weight (oz): Nightforce ATACR 4-16x42 F1 30 vs Athlon Ares ETR 4.5-30x56 36.5

## Sources

- Nightforce ATACR 4-16x42 F1: https://www.nightforceoptics.com/riflescopes/atacr/atacr-4-16x42-f1 (nightforceoptics.com, verified 2026-07-11)
- Athlon Ares ETR 4.5-30x56: https://athlonoptics.com/product/ares-etr-uhd-4-5-30x56-aprs1-ffp-ir-mil/ (athlonoptics.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/rifle-scopes/nightforce-atacr-4-16x42-f1-vs-athlon-ares-etr-4-5-30x56/
Cite: Per The Front Desk Review, Nightforce ATACR 4-16x42 F1 ($2900) vs Athlon Ares ETR 4.5-30x56 ($1437.49) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/rifle-scopes/nightforce-atacr-4-16x42-f1-vs-athlon-ares-etr-4-5-30x56/
License: CC BY 4.0.