The DNT Optics HOUND 640 Thermal Monocular (brand part no. H635R) is a handheld thermal imager with a built-in laser rangefinder and ballistic calculator. It uses a 640×512 sensor behind a 35mm lens and a 1024×768 Micro-OLED display, with 2-8x magnification. DNT Optics weighs it at under 11 ounces and rates it IP67 for dust and water. It suits scanning for game at night, spotting hogs and pairing a ranged distance with a ballistic solution.

Key Specifications

• The thermal sensor is 640×512 pixels at 12 microns, an uncooled sensor that resolves detail at distance.
• Thermal sensitivity is 18 mK NETD or better, which helps show faint heat differences.
• The objective lens is 35mm, which sets the field of view and detection performance.
• Magnification is 2-8x, which lets you step in on a target from a scan.
• The built-in laser rangefinder measures 5 to 1,200 yards, so you can range what you see.
• A ballistic calculator combines the laser reading with your ballistic profile for an aiming solution.
• The display is a 1024×768 Micro-OLED running at 50 Hz for a sharp image.
• Field of view is 21.9 by 17.6 yards at 100 yards, a useful scanning window.
• The unit weighs 10.93 ounces and measures 6.2 by 2.0 by 2.8 inches, light enough for all-night use.
• It is IP67 rated, with 32GB of built-in memory and Wi-Fi app connectivity.

Frequently Asked Questions

How far does the laser rangefinder reach? The HOUND 640 ranges targets from 5 to 1,200 yards and feeds the distance into its built-in ballistic calculator.

What power does it run on? It runs on a flat-top 18650 battery, and it can also take 5V power through a Type-C USB connection.

What comes in the box? DNT lists the monocular with a carrying pouch, lanyard, wrist strap, 18650 flat-top battery, charger, data and charging cables, user manual, lens cloth and quick start guide.

Buy the DNT Optics HOUND 640 Thermal Monocular with Laser Rangefinder

A thermal monocular with a rangefinder and ballistic calculator in one housing is a lot of capability for a night hunt. Order it from our Lubbock, Texas gun shop for fast shipping, and browse more thermal sights while you are here.