Description
The Holosun DRS-TH Thermal Rifle Sight is a thermal + red dot rifle sight. Day-and-night rifle optic: works as a 1x red dot with a selectable 2 MOA dot / 65 MOA circle reticle, with a 256×192 thermal sensor and 1024×768 OLED display, 1x/3x/5x zoom and video recording. Picatinny mount. Specifications below are from the manufacturer’s published data.
Key specifications
- Light Source: LED
- Wavelength: 650nm
- Reticle: 2 MOA Dot & 65 MOA Circle
- Selectable Reticle: Yes
- Shake Awake Technology: Yes
- Memory Mode: Yes
- Eye Relief: Unlimited
- Magnification: 1x
- Brightness Settings: 8 Daylight & 4 Night Vision
- MRTD: <50mK
- Thermal Sensor Resolution: 256×192
- OLED Display Resolution: 1024×768
- Frame Rate: 50 FPS
- Zoom: 1x, 3x, 5x
- Lens Focus: 25mm
- Aperture: F1.1
- Focus Range: 5m-Infinity
- Field of View: 7.2 x 5.3 deg
- Spectral Range: 8-14um
- Image Modes: White Hot, Highlight, Edge Detection
- Video Recording: Yes
- Battery: 2x 18350 (rechargeable)
- Runtime (observation mode): 10 hours
- Runtime (full function): 8 hours
- Charging: 5V/1A Magnetic USB
- Housing Material: 7075 T6 Aluminum
- Surface Finish: Anodized
- Color: Black
- Body Dimensions: 3.7 x 2.2 x 3.5 in
- Body Weight: 18 oz
- Mount Weight: 2.3 oz
- Window Size: 1.25 x 0.98 in
- Central Height Mount: 1.72 in
- Adjustment Per Click: 0.5 MOA
- W&E Travel Range: +/-50 MOA
- Waterproof Rating: IP67
- Vibration Resistance: 1000G
- Operating Temperature: -20C to 50C
- Storage Temperature: -40C to 70C
- Mount Type: Picatinny
- In the Box: DRS-TH optic, 2x 18350 batteries, USB-A to magnetic charging cable, lens cloth, multi-tool, wrench, manual, warranty card
Frequently asked questions
What is the sensor resolution of the Holosun DRS-TH?
256×192, per the holosun.com specification page.
Is the Holosun DRS-TH waterproof?
Holosun rates it IP67.
Do I need a firearms licence to buy this optic?
No. Optics are not controlled items in Australia and ship Australia-wide from 3 Gun Tactical, Tingalpa QLD. Check your state’s hunting regulations before using thermal or night-vision sights for game hunting.
3 Gun Tactical, Tingalpa QLD — Licensed Firearms Dealer 50001578. Optics, mounts and accessories can be purchased without a firearms licence and ship Australia-wide. Source: Holosun.








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