ATN Thor 4
VS
Monstrum Guardian

VS

ATN Thor 4
The ATN ThOR 4 Smart HD Thermal Hunting Scope represents a leap in thermal imaging technology, combining traditional optic design with advanced features for the modern hunter. Powered by the Obsidian IV Dual Core Processor, it delivers exceptional thermal sensitivity, improved resolution, and contrast for precise target detection in any environment. With a thermal zoom range from 1.25-5x to 4-40x, it adapts effortlessly to varying distances, while Black Hot, White Hot, and Color viewing modes enhance visibility. This scope is packed with smart features like a built-in Ballistics Calculator for accurate POI correction, recoil-activated video recording, and compatibility with Micro SD cards up to 64GB. The long-lasting power management system ensures 16+ hours of operation, while the 3" eye relief and multiple reticle options provide comfort and versatility. Accessories like the ATN ABL Laser Range Finder, Quick Detach Mount, and Battery Pack Kit expand functionality, making the ThOR 4 an invaluable tool for hunters and outdoor enthusiasts.
Monstrum Guardian
The Monstrum Guardian Series 6-18x50 Riflescope is crafted for hunters and tactical shooters who need reliable mid- to long-range accuracy. With a 6-18x magnification range, this scope is ideal for diverse shooting distances, offering precision for both closer and farther targets. Equipped with a 44mm objective lens, it delivers clear images with ample light transmission, while the adjustable parallax allows for fine-tuned focus at various ranges. The Guardian Series features fully multi-coated lenses, minimizing glare and enhancing clarity. Built to withstand the elements, it is waterproof and fog proof, with a rugged construction that promises durability. Overall, the Monstrum Guardian Series 4-12x44 offers a dependable, versatile option for shooters looking for performance and precision in the field.
Basic Details
| Brand | Color | Style | Sport | Item Weight | Material | |
|---|---|---|---|---|---|---|
| ATN Thor 4 | ATN | Black | 1-10x | Hunting | 1.9 Pounds | Aluminum |
| Monstrum Guardian | Monstrum | Black | Guardian | Hunting | 15 Ounces | Aluminum |
Magnification & Range
| Magnification | Parallax Setting | |
|---|---|---|
| ATN Thor 4 | 1-5x | Adjustable |
| Monstrum Guardian | 6-18x | 1000 Yards |
Performance Insights
| Eye Relief | Zoom Ratio | FOV | Night Vision | |
|---|---|---|---|---|
| ATN Thor 4 | 3.5 inches | Variable | Variable | No |
| Monstrum Guardian | 1000 Yards | 3:1 | 6.7 - 2.2 degrees | No |
To Calculate scope clicks: Let’s check out Scope Clicks Calculator
Diameter & Tube Size
| Tube Size | Tube Diameter | Objective Diameter | |
|---|---|---|---|
| ATN Thor 4 | N/A (Digital thermal scope) | N/A | 50mm |
| Monstrum Guardian | 1 inch | 1 inch | 50mm |
Compatibility
| Compatible Devices | Mounting Type | |
|---|---|---|
| ATN Thor 4 | Rifle | Cantilever Mount |
| Monstrum Guardian | Rifle | High Profile Scope Rings |
Additional Features
| Reticle | Max Elevation Adjustment | |
|---|---|---|
| ATN Thor 4 | Smart Mil Dot | 90 MOA |
| Monstrum Guardian | Illuminated MOA | 60 MOA |
Built for Tough Conditions
| Waterproof | Fogproof | Shockproof | |
|---|---|---|---|
| ATN Thor 4 | Resistant to water splashes (not fully submersible) | Yes | Yes |
| Monstrum Guardian | Yes | Yes | Yes |
Accessories & Warranty
| Includes | Warranty | |
|---|---|---|
| ATN Thor 4 | ThOR 4 HD Thermal Rifle Scope 1-10x, 640x480 with HD Video Recording, Wi-Fi, GPS, Smooth Zoom | 3 Year Manufacturer |



















