Nocpix LUMI H35 — 640×512 thermal handheld monocular

How far you can see a person

112 m make out detail182 m tell what it is729 m spot it┆ maker’s claim

501002005001k2k5k m

Calculated from the sensor's pixel pitch and the lens focal length, for clear air.

Nocpix quotes 1,800 m, 2.5× our figure, because makers usually measure against a person’s full height rather than their width. Why the numbers differ

NocpixHandheld monocular · 640-class

Nocpix LUMI H35

Approx. price: ~$2,299
Sensor: 640×512 · 12 µm
Lens: 35 mm · 2.5×
Weight: 12.2 oz

Price and availability on Nocpix’s site may differ.

Best for

Walk-and-scan glassing from a jacket pocket

01Specifications

As published by Nocpix. Sources: nocpixusa.com (product page feature chart + MSRP), Nocpix LUMI 2025Q1 datasheet (1970 yd and 12.17 oz; the US chart says 1750 yd and irayusa.com 11.82 oz); irayusa.com $2,199, irayusa.com (Wifi yes, Country of Manufacture China).

Sensor: 640×512
Pixel pitch: 12 µm
NETD: ≤18 mK
Refresh rate: 50 Hz
Lens: 35 mm
Base magnification: 2.5×
Digital zoom: up to 20×
Field of view: 12.5° horizontal
Display: 1024x768 AMOLED
Claimed detection: 1,800 m
Claim basis: unspecified
Run time: 4 h
Battery type: 18650
Weight: 12.2 oz
Length: 5.6″
Laser rangefinder: No
Ballistic calculator: No
Records video: Yes
Wi-Fi: Yes
IP rating: IP67
Warranty: 5 years
Country of origin: China
Approx. price: ~$2,299

02Pros and cons

From the published specs, not owner reports.

For it

640×512 sensor, 3× the detail of an entry-level 384
Sensitive sensor that picks out small heat differences on humid or rainy nights (56th-best of 285 that publish it)
Takes 18650 batteries you can swap in the field
Waterproof (IP67), survives a dunking
Records video and connects to a phone app
Warranty: 5 years

Against it