Nocpix Quest H50R Thermal Binoculars

The Nocpix Quest H50R LRF is the long-reach 640 in Nocpix's Quest thermal binocular family — a dual-eye thermal binocular built around a 640×512 sensor, a 50 mm F/1.1 germanium objective lens, and a 1,000-yard integrated laser rangefinder. New for 2025, the Quest line is Nocpix's first thermal binocular series, designed to deliver the kind of fatigue-free, comfortable viewing experience a traditional daylight binocular gives you — with both eyes and both hands engaged — but for thermal scanning, observation, and ranging in complete darkness, fog, rain, or smoke.

For most Quest buyers, the H50R is the right binocular. The same 640 sensor as the H35R, but paired with a 50 mm lens that pushes detection out to 2,600 meters (over 2,800 yards). Higher base magnification, longer reach, and the same dual-eye comfort that makes Quest binoculars genuinely different from a thermal monocular.

The Quest family — how the H50R fits

The Quest series is a tiered family on a shared platform. Same dual 1,920 × 1,200 AMOLED displays, same 1,000-yard concealed LRF, same Reality+ image processing with Electronic Image Stabilization, same hot-swappable dual-battery system, same fully adjustable binocular harness. What changes between tiers is sensor resolution and lens size.

• Quest H35R — 640×512 sensor, 35 mm lens. Wide-field 640 for close-to-mid range work.
• Quest H50R — 640×512 sensor, 50 mm lens. The long-reach 640.
• Quest S50R — 1280×1024 sensor, 50 mm lens. The flagship — maximum resolution for hardest-target identification at extreme range.

Step up from the H35R to the H50R when you want the same 640 image quality with a 50 mm lens for added reach and higher base magnification. Step up from the H50R to the S50R when 1280 image quality is the deciding factor.

Why a binocular vs. a monocular

If you've spent a long evening scanning a property with a thermal monocular, you already know what binoculars solve. One-eye observation creates fatigue quickly — your scanning eye tires, the other eye fights to stay open, and after a couple hours of serious looking, your effectiveness drops sharply. The Quest H50R uses dual 1,920 × 1,200 AMOLED displays, one per eye, with independent diopter adjustment on each side. Both eyes see the thermal image. Both hands hold the device. Weight distributes naturally across both wrists rather than loading one shoulder. The experience is genuinely closer to using a daylight binocular than a thermal monocular.

For extended observation, wildlife monitoring, security work, ranch operations, or any application where you'll be looking through the optic for hours at a stretch, that ergonomic difference is the entire reason to buy a binocular instead of a monocular.

Why the 50 mm lens matters

The Quest H35R and H50R share the exact same 640×512 sensor. What changes between them is the objective lens: 35 mm on the H35R, 50 mm on the H50R. A 50 mm lens gathers significantly more thermal signal than a 35 mm — that extra light translates directly into longer detection range and brighter, cleaner imagery at distance.

The H35R detects out to closer ranges with a wider field of view. The H50R pushes detection out to 2,600 meters (over 2,800 yards) and runs a higher base magnification — 4× to the H35R's lower base. The trade-off is field of view: the 50 mm lens gives you a narrower angular FOV than the 35 mm. For hunters and observers prioritizing reach and target identification at distance, that trade is worth making.

What you get with the Quest H50R

• 640 × 512 thermal sensor with 12 μm pixel pitch, 60 Hz refresh rate. Finer thermal resolution and better target identification than 384-class binoculars.
• NETD ≤15 mK. Sharp thermal contrast and clean edge definition even in fog, light rain, or marginal heat conditions.
• 50 mm F/1.1 germanium objective lens. Sized for reach — over 20% more thermal signal gathering than the 35 mm.
• 4× base magnification, 4× to 32× total range with digital zoom.
• Detection range up to 2,600 m / 2,800+ yards.
• Dual 1,920 × 1,200 AMOLED displays — full resolution per eyepiece. Independent diopter adjustment on each eye.
• Independent interpupillary adjustment — fully customizable to your eye spacing.
• Reality+ image processing with R+ image enhancement algorithm.
• Electronic Image Stabilization (EIS) — stabilizes the thermal image against handheld motion for cleaner viewing.
• Built-in 1,000-yard concealed laser rangefinder. Single-firing or continuous modes; ranged distance displays on-screen.
• 8.8 × 7° angular field of view.
• Multiple color palettes including hunter-friendly options like Crimson (designed to reduce eye fatigue and support faster low-light recovery).
• Picture-in-Picture mode for keeping a zoomed target view alongside the wider field.
• Onboard photo and video recording with 64 GB internal storage.
• Wi-Fi connectivity for transferring footage to phone or other devices.
• Hot-swappable dual battery system: internal USB-C-charged battery plus a removable IRB-2 (18650-style) — swap the external while the internal keeps the device running for indefinite runtime. Two IRB-2 batteries included.
• Up to 6 hours runtime on two 18650 batteries.
• IP67-rated waterproof and dustproof construction with full rubber coating.
• Lightweight construction — approximately 745 g (about 26 oz).
• Fully adjustable forward-opening binocular harness included.
• Smooth-turning ergonomic focus and zoom dials.
• Manufacturer warranty (Nocpix).

Who the Quest H50R is built for

• Hunters who do significant pre-shoot scanning at mid-to-long range and want a binocular's comfort for it
• Predator, coyote, and hog hunters working open country, cut fields, and pastureland where reach matters
• Ranchers and landowners doing perimeter sweeps across larger properties
• Wildlife managers and biologists doing observation work at distance over extended sessions
• Security professionals working surveillance roles where long-distance detection is needed
• Buyers cross-shopping the Quest family who want 640 image quality with the maximum 50 mm reach without stepping up to 1280-sensor pricing
• Anyone who's experienced monocular fatigue on long evenings and wants a real binocular for thermal observation at distance

Full specifications

• Thermal sensor: 640 × 512, 12 μm pixel pitch
• NETD: ≤15 mK
• Objective lens: 50 mm F/1.1 germanium
• Base magnification: 4×
• Magnification range: 4× to 32× (digital zoom)
• Detection range: up to 2,600 m / 2,800+ yards
• Field of view: 8.8 × 7° angular
• Refresh rate: 60 Hz
• Display: dual 1,920 × 1,200 AMOLED (one per eyepiece)
• Diopter adjustment: independent, each eye
• Interpupillary adjustment: yes
• Image processing: Reality+ with R+ enhancement algorithm
• Image stabilization: Electronic Image Stabilization (EIS)
• Laser rangefinder: built-in concealed, 1,000 yd (single-firing and continuous modes)
• Color palettes: multiple including Crimson (low-fatigue)
• Picture-in-Picture: yes
• Recording: photo and video
• Onboard storage: 64 GB
• Connectivity: Wi-Fi
• Battery system: internal USB-C rechargeable + removable IRB-2 (18650-style); hot-swappable for indefinite runtime; up to 6 hr runtime on two 18650s
• Included batteries: two IRB-2
• Charging: USB Type-C
• Construction: rubber-coated, IP67-rated
• Weight: approximately 745 g (~26 oz)
• Included accessories: fully adjustable forward-opening binocular harness
• Warranty: manufacturer warranty (Nocpix)

Frequently asked questions

Where does the H50R fit in the Quest family?

The H50R is the long-reach 640 in the three-model Quest series. The "H" signals the 640 sensor tier; the "50" is the 50 mm objective lens. Below it sits the H35R (same 640 sensor with a 35 mm lens for wider FOV); above it sits the S50R (1280 flagship at the same 50 mm lens size).

What's the difference between the Quest H50R and the H35R?

Same 640×512 sensor, same 1,000-yard LRF, same dual AMOLED display, same hot-swap battery system. The H50R has a 50 mm lens (longer detection range to 2,600 m, higher 4× base magnification, narrower FOV). The H35R has a 35 mm lens (wider field of view, lighter weight, better for fast scanning). Choose the H50R for reach; choose the H35R for FOV and scanning speed.

What's the difference between the H50R and the S50R?

Same 50 mm lens on both. The H50R uses a 640×512 sensor with 4× base magnification. The S50R steps up to a 1280×1024 sensor — roughly four times the pixel count for finer detail at distance, with a 2× base magnification. Choose the S50R when 1280 image quality is the deciding factor for positive target identification. Stay with the H50R when 640 image quality is enough and the price step doesn't earn its keep.

What's the difference between the H50R and a thermal monocular?

A monocular forces one eye to do all the work, which causes fatigue on extended viewing sessions. The Quest H50R uses dual displays (one per eye) and a binocular form factor — both eyes see the thermal image, both hands hold the device, and weight distributes naturally across both wrists. For long observation sessions, the binocular is significantly more comfortable than a monocular. Monoculars are usually lighter and more compact for short scans; binoculars are built for serious looking.

How accurate is the laser rangefinder?

The Quest H50R's concealed integrated LRF ranges to 1,000 yards. It runs in either single-firing or continuous modes, and the ranged distance displays on-screen.

What's Electronic Image Stabilization?

EIS smooths out the thermal image against handheld motion — small movements, breathing, slight shake. The result is a steadier, easier-to-read image when you're glassing without a tripod, which makes extended observation sessions less fatiguing.

What about the battery system — can it really run indefinitely?

Yes, with how the dual system is designed. The internal battery charges via USB-C; the external is a removable IRB-2 (18650-style). While the internal battery keeps the binocular running, you can swap the IRB-2 out for a charged one. As long as you have charged IRB-2s in your pack, the device keeps running through the swap. Two IRB-2 batteries are included; runtime on a fresh charge is up to approximately 6 hours.

Does the H50R record video?

Yes. Onboard photo and video recording is included, with 64 GB of internal storage. Wi-Fi lets you transfer footage to your phone.

Is the H50R waterproof?

Yes. The H50R is rated IP67 — sealed against dust ingress and rated for water immersion. The rubber coating adds shock and weather protection. Built for rain, snow, and adverse conditions.

How heavy is the H50R?

Approximately 745 g (~26 oz). Lightweight for a 50 mm thermal binocular thanks to the rubber-coated construction.

Is a harness included?

Yes. A fully adjustable forward-opening binocular harness is included with every Quest H50R.

What's the warranty?

Nocpix backs the Quest H50R with their standard manufacturer warranty.