Sightmark Citadel
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ATN X-Sight II HD

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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.
ATN X-Sight II HD
The ATN X-Sight II HD 5-20x scope is a versatile, high-tech optic designed for day and night hunting. With Smart HD Optics Technology, it delivers crystal-clear images regardless of lighting conditions, while the 5-20x smooth zoom allows for precise magnification adjustments. The built-in Ballistic Calculator and Smart Range Finder simplify long-range and angled shots, automatically adjusting the Point of Impact for maximum accuracy. This scope lets you record your adventures in 1080p HD, with Recoil Activated Video (RAV) ensuring you capture every moment. It also supports Wi-Fi streaming, turning your phone or tablet into a live viewfinder. Additional features like the ATN X-Trac Remote Control, long-range IR illuminator, and extended battery pack make the X-Sight II HD a powerful, all-in-one tool for modern hunters.
Basic Details
| Brand | Color | Style | Sport | Item Weight | Material | |
|---|---|---|---|---|---|---|
| Sightmark Citadel | Sightmark | Black | 3-18x50 LR2 | Hunting, Paintball, Airsoft | 26.1 Ounces | Aluminum |
| ATN X-Sight II HD | ATN | Black | W/1080p | Hunting | 1 Kilograms | Aluminum |
Magnification & Range
| Magnification | Parallax Setting | |
|---|---|---|
| Sightmark Citadel | 3-18x | 25 yards to infinity |
| ATN X-Sight II HD | 5-20x | Adjustable |
Performance Insights
| Eye Relief | Zoom Ratio | FOV | Night Vision | |
|---|---|---|---|---|
| Sightmark Citadel | 3 Inches | 6:1 | 6.5° - 1.1° | No |
| ATN X-Sight II HD | 2.5 inches | 4:1 | 240 Feet | Yes |
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 |
| ATN X-Sight II HD | N/A (Digital thermal scope) | N/A | 50mm |
Compatibility
| Compatible Devices | Mounting Type | |
|---|---|---|
| Sightmark Citadel | Rifle | Picatinny Mount |
| ATN X-Sight II HD | Rifle | Weaver Mount |
Additional Features
| Reticle | Max Elevation Adjustment | |
|---|---|---|
| Sightmark Citadel | Mil-Dot | 60 MOA |
| ATN X-Sight II HD | Multiple Patterns | 100 MOA |
Built for Tough Conditions
| Waterproof | Fogproof | Shockproof | |
|---|---|---|---|
| Sightmark Citadel | Yes | Yes | Yes |
| ATN X-Sight II HD | Resistant to water splashes (not fully submersible) | Yes | Yes |
Accessories & Warranty
| Includes | Warranty | |
|---|---|---|
| Sightmark Citadel | Sunshade, Throw lever, Lens caps, Battery, Manual | Limited Lifetime Warranty |
| ATN X-Sight II HD | USB cable, lens cover, mounting rings, and more | 2 years (varies by region) |


















