Sightmark Citadel
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Athlon Ares ETR UHD

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Sightmark Citadel
The Sightmark Citadel is built for precision, offering a first focal plane reticle that adjusts with magnification to maintain consistent subtensions for accurate ranging at any level. This feature is ideal for long-range shooting, making range estimation simple and reliable. One of the key advantages of the Citadel is its red illuminated reticle, which enhances target visibility in low light, ensuring you don’t miss your shot in challenging conditions. I found the exposed, low-profile locking turrets to be incredibly user-friendly, providing quick adjustments when needed while the locking mechanism ensures accuracy even under stress. The 30mm single-piece tube, made from aircraft-grade aluminum, gives the scope exceptional durability, withstanding recoil and ensuring precise alignment over time. Finally, the fully multi-coated optics provide superb image quality, maximizing light transmission and delivering bright, accurate visuals.
Athlon Ares ETR UHD
The Argos HMR is thoughtfully designed with the average outdoorsman in mind, offering a compact and durable hunting scope that is both feature-rich and affordable. With 5x and 6x magnification ratios, it is perfectly suited for a variety of close and long-range hunting scenarios. The Advanced Fully Multi-Coated lenses enhance light transmission and clarity, while the choice of clean reticle options—such as illuminated center-dot crosshair, Mil-Dot, or BDC—provides a fool-proof traditional setup for any shooter. The Ares ETR First Focal Plane scope takes long-range shooting to new heights. It features a revamped turret system with a locking Windage turret and a true zero stop on the elevation turret, ensuring consistent and accurate adjustments. Extra Low dispersion lenses produce sharp, vibrant images with excellent color reproduction, and the 34mm tube construction is built to endure the harshest conditions. With a 0.1 MIL click value, a total elevation adjustment of 32 MIL, and a parallax adjustment from 25 yards to infinity, this scope is a top-tier choice for precision shooting enthusiasts.
Basic Details
| Brand | Color | Style | Sport | Item Weight | Material | |
|---|---|---|---|---|---|---|
| Sightmark Citadel | Sightmark | Black | 3-18x50 LR2 | Hunting, Paintball, Airsoft | 26.1 Ounces | Aluminum |
| Athlon Ares ETR UHD | Athlon | Brown | Aprs1 Ffp Ir Mil Brown | Hunting | 1 Kilograms | Aluminum |
Magnification & Range
| Magnification | Parallax Setting | |
|---|---|---|
| Sightmark Citadel | 3-18x | 25 yards to infinity |
| Athlon Ares ETR UHD | 4.5-30x | 25 Yard to Infinity |
Performance Insights
| Eye Relief | Zoom Ratio | FOV | Night Vision | |
|---|---|---|---|---|
| Sightmark Citadel | 3 Inches | 6:1 | 6.5° - 1.1° | No |
| Athlon Ares ETR UHD | 3.9 inches | 7:1 | 7.4 - 1.2 degrees | No |
To Calculate scope clicks: Let’s check out Scope Clicks Calculator
Diameter & Tube Size
| Tube Size | Tube Diameter | Objective Diameter | |
|---|---|---|---|
| Sightmark Citadel | 30mm | 30mm | 50mm |
| Athlon Ares ETR UHD | 34mm | 34mm | 56mm |
Compatibility
| Compatible Devices | Mounting Type | |
|---|---|---|
| Sightmark Citadel | Rifle | Picatinny Mount |
| Athlon Ares ETR UHD | Rifle | Picatinny Mount or Dovetail Mount |
Additional Features
| Reticle | Max Elevation Adjustment | |
|---|---|---|
| Sightmark Citadel | Mil-Dot | 60 MOA |
| Athlon Ares ETR UHD | Mil-Dot, or BDC | 30 MOA |
Built for Tough Conditions
| Waterproof | Fogproof | Shockproof | |
|---|---|---|---|
| Sightmark Citadel | Yes | Yes | Yes |
| Athlon Ares ETR UHD | Yes | Yes | Yes |
Accessories & Warranty
| Includes | Warranty | |
|---|---|---|
| Sightmark Citadel | Sunshade, Throw lever, Lens caps, Battery, Manual | Limited Lifetime Warranty |
| Athlon Ares ETR UHD | Scope, battery, instruction manual, cleaning cloth | Limited lifetime warranty |


















