







DNT HYDRA-LRF HS635R 3-in-1 Thermal Scope with Rangefinder
Delivery & dispatch
We aim to dispatch within 1–2 business days; busy periods can take up to 5 business days. Delivery time is additional. Shipping charges are calculated at checkout.
Read the shipping policy. For New Zealand orders, please confirm delivery with us before ordering.
Returns & product support
Read our returns policy or email us for help with compatibility, package contents or warranty questions.
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Delivery & dispatch
We aim to dispatch within 1–2 business days; busy periods can take up to 5 business days. Delivery time is additional. Shipping charges are calculated at checkout.
Read the shipping policy. For New Zealand orders, please confirm delivery with us before ordering.
Returns & product support
Read our returns policy or email us for help with compatibility, package contents or warranty questions.
Delivery & dispatch
We aim to dispatch within 1–2 business days; busy periods can take up to 5 business days. Delivery time is additional. Shipping charges are calculated at checkout.
Read the shipping policy. For New Zealand orders, please confirm delivery with us before ordering.
Returns & product support
Read our returns policy or email us for help with compatibility, package contents or warranty questions.
Product details
Review the specifications, features and package information before choosing.
The DNT HYDRA-LRF HS635R combines a 640×512 thermal sensor, integrated laser rangefinder and DNT Ballistic Engine in a versatile platform that can be used as a standalone thermal scope, clip-on or handheld monocular.
Featuring a 35mm objective lens, 1.5× base magnification and ≤18mK thermal sensitivity, the HS635R delivers high-resolution thermal imaging for hunting, pest control and field observation.
3-in-1 Versatility
The included QDM150 quick-detach mount allows the HYDRA to transition between handheld observation and rifle-mounted use, with standalone scope and clip-on configurations supported.
Integrated Rangefinder & Ballistic Calculator
The built-in laser rangefinder measures from 5 to 1300 yards, while the DNT Ballistic Engine provides real-time drop compensation using your configured ballistic profile. Profiles can be managed directly through the optic or DNT App.
Thermal Performance
A 640×512, 12μm sensor, ≤18mK NETD and 50Hz refresh rate deliver detailed, smooth thermal imagery. DNT’s Image Super Resolution technology further enhances image clarity when using digital magnification.
Key Specifications
- Thermal Sensor: 640 × 512, 12μm
- NETD: ≤18mK
- Objective Lens: 35mm
- Base Magnification: 1.5×
- Digital Magnification: Up to 6×
- Frame Rate: 50Hz
- Display: 1024 × 768 Micro-OLED
- Laser Rangefinder: 5–1300 yards
- Ballistic Calculator: DNT Ballistic Engine
- Internal Storage: 32GB
- WiFi / DNT App: Yes
- Battery: Replaceable flat-top 18650
- Runtime: Approx. 4 hours per battery
- Weather Rating: IP67
- Recoil Rating: Up to .50 BMG
- Weight: Approx. 424g
What’s Included
- DNT HYDRA-LRF HS635R
- QDM150 Quick-Detach Mount
- Eye Cup
- Flip-Up Lens Cover
- 2 × 18650 Flat-Top Batteries
- Battery Charger
- 2 × USB Cables
- User Manual
- Quick Start Guide
- Lens Cleaning Cloth
The HYDRA-LRF HS635R combines high-resolution thermal imaging, laser ranging and ballistic calculation in one flexible platform for handheld scanning and mounted use.
