DNT Optics HYDRA HS335R — Multi-Function Thermal Scope with Laser Rangefinder & Ballistic Calculator

The HYDRA HS335R is a rifle-mounted scope, a clip-on unit, and a handheld monocular in one package, built around a 384×288 sensor, a 1,300-yard laser rangefinder and a built-in ballistic calculator. Detach it from the rifle with the included quick-detach mount and it goes straight to handheld glassing with no re-zero required when you remount it — one unit doing the work of three, at a lighter weight and more accessible price than the flagship HS650R.

See it in action

Key features

• 384×288 thermal sensor with Image Super Resolution: Uncooled infrared sensor with a 35mm lens, 50 FPS refresh and ≤18mK thermal sensitivity, sharpened further by DNT’s image super resolution processing.
• Integrated laser rangefinder: Ranges out to 1,300 yards without switching devices.
• Built-in ballistic calculator: DNT’s ballistic engine combines with your ranged distance for a holdover solution, with custom profiles configurable through the DNT app.
• Three tools in one: Swap between rifle-mounted scope, clip-on unit, and handheld monocular using the included QDM150 quick-detach mount — no re-zeroing needed when you remount it.
• 1024×768 Micro-OLED display: Crisp, bright viewing at 50Hz.
• 3–12x digital magnification: From a 3x base magnification, for wide scanning and confirming a target at range.
• 8 thermal colour palettes: Switchable on the fly to suit your target, background and light conditions.
• Shock-resistant housing: Built to withstand recoil up to .50 BMG.
• WiFi-enabled with DNT app support: Stream, review and manage footage from your phone.
• Built-in 32GB memory: Record what you see without needing a separate memory card.
• IP67 rated: Dust and water resistant, built to keep working through rain, dust and mud.

Ranging and ballistics, built in

Range a target with one press, and the HS335R’s built-in ballistic engine turns that distance into a holdover solution on the spot — no separate rangefinder, no phone app required in the field. Ballistic profiles are configured and synced through the DNT app, so your zero, caliber and load data travel with the scope.

Three tools in one

The included QDM150 quick-detach mount is what makes the HYDRA HS335R genuinely three devices in one: mount it to your rifle as a dedicated thermal scope, clip it on in front of your existing day optic, or pull it off the rail entirely and use it as a handheld thermal monocular for glassing. Reattach it to the same rifle and it holds zero — no re-sighting needed.

8 thermal colour palettes

White Hot, Black Hot, Red Hot, Iron Hot, Sunburst, Ironblaze, Nightshade and Ultraviolet — switch between all eight on the fly to suit your target, background and light conditions:

Full specifications

Thermal sensor resolution	384 × 288
Sensor type	Uncooled infrared, 12×12μm pixel size
Objective lens	35mm
Frame rate	50 FPS
Thermal sensitivity (NETD)	≤18mK @ 25°C
Base / digital magnification	3x base, 3–12x digital
Field of view	13.2 × 9.9 yd @ 100 yards
Display	1024×768 Micro-OLED, 50Hz
Laser rangefinder range	5–1,300 yards
Ballistic calculator	Integrated DNT Ballistic Engine, custom profiles via DNT app
Thermal palettes	White Hot, Black Hot, Red Hot, Iron Hot, Sunburst, Ironblaze, Nightshade, Ultraviolet
Mounting	QDM150 quick-detach mount (included) — scope, clip-on or handheld use, holds zero on remount
Battery	2× 18650 flat-top (included), ~4.5 hours per battery (~9 hours total)
Charging	5V USB Type-C
Onboard memory	32GB built-in
Connectivity	WiFi, DNT companion app
Shock resistance	Rated for recoil up to .50 BMG
Weight	15 oz (424g)
Dimensions	7.8″ × 2.7″ × 2.0″
Waterproof rating	IP67 (dust and water resistant)
Operating temperature	−4°F to 122°F

A closer look

What’s in the box

• HYDRA HS335R thermal scope
• QDM150 quick-detach mount
• Eye cup
• Flip-up lens cover
• 2× 18650 flat-top batteries
• Battery charger
• 2× USB cables
• Lens cleaning cloth
• User manual and quick start guide

Who it’s for

Built for hunters who want the same scope/clip-on/handheld versatility and built-in rangefinding and ballistics as the flagship HYDRA HS650R, in a lighter, more affordable package — a strong entry point into DNT’s HYDRA range for standard hunting calibers and everyday field use.

Warranty

Covered by DNT Optics’ 3-year warranty with product registration.