ATN Thor 4
VS
Athlon Heras SPR

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.
Athlon Heras SPR
The HERAS SPR 15-60x56mm Second Focal Plane Hunting Scope is engineered for precision, making it the ideal choice for bench rest, F-Class, or any precision shooting endeavor. With its wide magnification range, this scope allows for effortless transitions between mid-range and long-range scenarios. The advanced fully multi-coated lenses ensure superior light transmission, delivering optimal brightness and true color across the spectrum. Featuring innovative locking turrets, the HERAS SPR lets you easily dial adjustments while preventing inadvertent changes. The precision zero stop system guarantees a sharp return to your initial zero position. Its BLR2 reticle is etched directly onto the glass, providing a clear sight picture with minimal obstruction for pinpoint accuracy, even at extreme ranges. Constructed from rugged aircraft-grade aluminum, the scope is argon-purged for waterproofing and thermal stability, ready to perform in any weather condition. With its exceptional performance and durability, the HERAS SPR is a reliable choice for serious shooters.
Basic Details
| Brand | Color | Style | Sport | Item Weight | Material | |
|---|---|---|---|---|---|---|
| ATN Thor 4 | ATN | Black | 1-10x | Hunting | 1.9 Pounds | Aluminum |
| Athlon Heras SPR | Athlon | Black | Precision | Hunting | 38.4 Ounces | Argon |
Magnification & Range
| Magnification | Parallax Setting | |
|---|---|---|
| ATN Thor 4 | 1-5x | Adjustable |
| Athlon Heras SPR | 15-60x | 10 yards to infinity |
Performance Insights
| Eye Relief | Zoom Ratio | FOV | Night Vision | |
|---|---|---|---|---|
| ATN Thor 4 | 3.5 inches | Variable | Variable | No |
| Athlon Heras SPR | 3.7 inches | 4:1 | 2.1 - 0.5 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 |
| Athlon Heras SPR | 30mm | 30mm | 56mm |
Compatibility
| Compatible Devices | Mounting Type | |
|---|---|---|
| ATN Thor 4 | Rifle | Cantilever Mount |
| Athlon Heras SPR | Rifle | Scope rings |
Additional Features
| Reticle | Max Elevation Adjustment | |
|---|---|---|
| ATN Thor 4 | Smart Mil Dot | 90 MOA |
| Athlon Heras SPR | BLR2 SFP MOA | 56 MOA |
Built for Tough Conditions
| Waterproof | Fogproof | Shockproof | |
|---|---|---|---|
| ATN Thor 4 | Resistant to water splashes (not fully submersible) | Yes | Yes |
| Athlon Heras SPR | 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 |
| Athlon Heras SPR | Heras Spr 15-60X56 Riflescope Side Focus 30Mm Sfp Nir Blr2 Moa | Limited lifetime warranty |



















