Detection distances are manufacturer-rated maximum detection ranges. Identification distance will be shorter and varies with target size and environmental conditions.

OMNI provides a versatile binocular platform with a choice between the compact 19mm L19R and higher-resolution 35mm H35R. Both use fast F0.9 optics, integrated 1,000m laser rangefinding and low starting magnification, making them particularly useful for scanning large areas.

QUEST extends the range towards higher-end and longer-range observation. The H35R and H50R use 640 × 512 sensors, while the flagship S50R moves to a 1280 × 1024 sensor for significantly greater image detail.

For buyers choosing between the two ranges, the main considerations are sensor resolution, objective lens size, base magnification, field of view and the distances at which the binoculars will normally be used.

OMNI L19R – compact, wide-area scanning:
The 19mm F0.9 lens and low 1.5× starting magnification make the L19R particularly useful when a wide view and quick target detection are priorities.

OMNI H35R – higher-resolution OMNI:
The H35R combines a 640 × 512 sensor with a 35mm F0.9 lens. It provides substantially more thermal detail than the L19R while retaining the OMNI binocular format and integrated 1,000m LRF.

QUEST H35R – versatile 35mm QUEST:
A 640 × 512 sensor and 35mm objective make the H35R a versatile option for general thermal observation.

QUEST H50R – longer-range observation:
The 50mm objective and higher base magnification make the H50R better suited to users who regularly observe targets at greater distances.

QUEST S50R – maximum image detail:
The flagship S50R uses a 1280 × 1024 thermal sensor and 50mm objective, providing the highest sensor resolution in the current NocPix binocular range.

The biggest difference is the optical and sensor configuration. The L19R prioritises a wider view and lower starting magnification, while the H35R's 640 × 512 sensor and 35mm lens provide greater image detail for more demanding observation.

Choose the OMNI L19R if:
You want a compact thermal binocular with a wide view, low 1.5× starting magnification and integrated LRF for general scanning.

Choose the OMNI H35R if:
You want greater thermal image detail from a 640 × 512 sensor and a longer 35mm objective while retaining the OMNI binocular design.

For scanning relatively close or wide areas, the L19R's 19mm lens has clear advantages. If image detail and observation at greater distances are more important, the H35R is the more appropriate OMNI model.

Both models use a 640 × 512 thermal sensor, but their different objective lenses give them different strengths.

QUEST H35R: the 35mm objective and lower base magnification provide a wider view, making it particularly useful for general scanning.

QUEST H50R: the 50mm objective and higher base magnification are better suited to observing smaller or more distant targets.

The key difference is sensor resolution. The H50R uses a 640 × 512 thermal sensor, while the S50R uses a substantially higher-resolution 1280 × 1024 sensor.

Both use 50mm objectives and are designed for longer-range observation, but the S50R's larger sensor captures considerably more thermal image information and provides greater detail.

The H50R remains a strong choice where long-range performance is required without moving to the price point of the flagship 1280-resolution model.

384 × 288: provides a capable thermal image while allowing a more accessible and compact thermal system. It is well suited to detection and general scanning.

640 × 512: provides substantially more image information and greater detail, particularly when examining targets or using digital magnification.

1280 × 1024: represents a major increase in sensor resolution and is designed for users prioritising maximum thermal image detail and performance.

Sensor resolution is only one part of thermal performance. Lens size, aperture, thermal sensitivity, magnification and image processing also affect the final image.

19mm: provides a wider view and is particularly useful for scanning larger areas and locating heat sources quickly.

35mm: provides a versatile balance between field of view and longer-distance observation.

50mm: is generally better suited to longer-range observation, providing greater optical magnification at the expense of some field of view.

There is no single best focal length. The right choice depends primarily on the distances and environments in which the binoculars will be used.

Thermal binoculars allow both eyes to be used while viewing the display. Many users find this more natural and comfortable during extended periods of scanning than repeatedly viewing through a single eyepiece.

The larger binocular-style body can also provide a stable two-handed viewing position and allows features such as integrated laser rangefinding, recording and larger internal power systems to be incorporated into one device.

A thermal monocular remains attractive where minimum size and weight are the main priorities, while binoculars are particularly suited to users who spend longer periods actively observing and scanning.

NETD is a measure of a thermal imager's ability to distinguish very small differences in temperature. A lower NETD figure generally indicates greater thermal sensitivity.

A rating of ≤15mK means the sensor can distinguish very small temperature differences, helping reveal additional detail when a target and its surroundings have similar temperatures.

This can be especially useful in rain, mist, damp conditions and other low-contrast environments.

The NocPix thermal binocular models shown here incorporate laser rangefinding, allowing the distance to an observed object to be measured directly through the binoculars.

This combines thermal detection and distance measurement within one device and removes the need to switch to a separate handheld rangefinder.

Thermal manufacturers normally quote a maximum detection range. This is the distance at which the thermal imager can detect that a sufficiently large heat source is present.

Identification range is shorter because considerably more image detail is required to determine exactly what the detected object is.

Real-world performance also varies with target size, weather, humidity, background temperature and atmospheric conditions, so quoted detection ranges should not be interpreted as guaranteed identification distances.

NocPix thermal binoculars are designed for extended outdoor observation and use rechargeable power systems suited to prolonged field use. Battery configuration and runtime vary between individual models.

Models within the range also feature weather-resistant construction for use in demanding outdoor environments. Check the individual product specification for the exact battery configuration, operating time and IP rating of the model you are considering.

NocPix thermal imaging devices are covered by the manufacturer's warranty. Current NocPix devices carry a 3-year manufacturer's warranty on the main unit, with an additional one-year extension available for eligible products following successful product registration. Batteries carry separate 2-year cover.

If you purchase your NocPix thermal binoculars from Bamfords Online and experience a problem, contact us with your proof of purchase and details of the fault and we will assist with the warranty process.