🔥Goyojo GRS225RF Thermal Scope In-Depth Review | Full Specs, Field Test & Real-World Performance
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GOYOJO OPTICS
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GOYOJO THERMAL OPTICS-GRS225/GRS225RF
Designed for serious hunters who demand more — without overpaying.
Starting at review 1 of 8

Integrated with a 905nm IR laser, the GRS225RF provides accurate distance measurement up to 1000 meters with ±1m accuracy. Perfect for long-range targeting, it ensures more confident shots in hunting or tactical scenarios.
The compact and streamlined design of the Little Conch makes it lightweight and easy to carry and install for extended periods, while also withstanding up to 800g/0.4ms recoil for enhanced durability.
Complete Technical Overview.
| Objective Lens: | 25 mm |
| Eye Relief: | 65 mm |
| Optical Zoom: | 3.5× |
| Digital Zoom: | 1× – 8× |
| Field of View (FOV): | 7.0° × 5.3° |
| Diopter Adjustment: | -5 to +5 Diopters |
| Focus Range: | 5 m to Infinity |
| Detection Range: | 1300 m (1.8 m × 0.5 m Target) |
| Rangefinder: | CRS225RF Only – 905 nm Infrared, 1000 m ±5 m |
| Detector Type: | Vanadium Oxide Uncooled Focal Plane Array |
| Resolution: | 256 × 192 |
| Die Size: | 12 μm |
| Frame Rate: | 50 Hz |
| NETD: | <35 mK @ 25°C, F/1.0 |
| Function | Details |
|---|---|
| Picture in Picture | Yes |
| Video | Yes |
| Photo | Yes |
| Reticles | Yes |
| Defective Pixel Correction | Yes |
| RAV & Wi-Fi | Yes |
| Bluetooth | Only CRS225RF - Yes |
| Hot Track | Yes |
| FFC | Yes |
| Scene Mode | Yes |
| Shot Activated Recording | Yes |
| Thermal One-Shot Zero | Yes |
| OSD | Yes |
| Intelligent Ballistic Calculation | Only CRS225RF - Yes |
| Pseudo Color Modes | White Hot / Black Hot / Red Hot / Iron |
| Battery Type: |
Built-In Battery: 18650 Lithium Battery External Battery: CR123 Lithium Battery(not included in packaging) |
| Battery Capacities: |
Built-In Battery: 3.7 V, 3700 mAh External Battery: 3.7 V, 450 mAh |
| Operating Time: | 7-9 Hours (7h for 18650, 2h for CR123) |
| Charging Specifications: | 5 V / 2 A |
| Tube for Rings: | 2 |
| Net Weight (Built-In Battery): |
CRS225RF: 57300 g / 5760 g Note: Value appears inconsistent in source. |
| Dimensions (Without Eyepiece): |
CRS225RF: 288 × 81 × 75 mm CRS225RF: 288 × 85 × 75 mm Note: Model name is repeated and dimensions differ. |
| Max. Recoil: | 800 g / 0.4 ms |
| IP Level: | IP67 |
| Operating Temperature: | -30°C to 50°C (-25°F to 125°F) |
| Storage Temperature: | -40°C to 60°C (-40°F to 140°F) |
| SD Card: | 32 GB |
| Materials: | Aluminum-Magnesium Alloy |
| Warranty: | 1 Year |
Firmware Download Link & QR Code
Newest Version No.——v1.07


( If the above link is unavailable, please click here to download the firmware package. GOYOJO GRS22RF Firmware update )
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