Steiner · Nighthunter H35 Gen II

Estimated range, standing human, clear air

IdentifyRecognizeDetectBox claim

Steiner Nighthunter H35 Gen II640×512 · 12 µm · 35 mm

112 m identify182 m recognize729 m detect

501002005001k2k5k m

Estimated from pixel pitch and lens focal length using the Johnson criteria (2, 8 and 13 pixels across a 0.5 m human critical dimension), clear air, 50 % probability. A model of the optics, not a measurement — real range depends on temperature contrast, humidity and the animal.

Steiner

Steiner Nighthunter H35 Gen II

Handheld monocular640-class

The Steiner Nighthunter H35 Gen II is a 640×512, 12 µm thermal handheld monocular behind a 35 mm lens. On the Johnson yardstick that is an estimated 729 m detection and 182 m recognition range for a standing person; Steiner publishes no detection figure. At 18.1 oz it is 10th-lightest of the 18 handhelds here, where the median is 18.1 oz.

Approx. price: ~$3,220
Sensor: 640×512 · 12 µm
Lens: 35 mm
Est. detection: 729 m · 797 yd

Best for

Scanning from a stand, a truck or a field edge

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Box claim vs. what the optics support

Manufacturer says

—

no detection range published

Johnson estimate

729 m

detect · 182 m recognize · 112 m identify

Claim ÷ estimate

—

needs a published claim

One pixel of this unit sees 0.343 mrad (12 µm ÷ 35 mm). Two pixels across a 0.5 m human is 0.5 ÷ (2 × 0.343) × 1000 = 729 m. The box figure is usually computed against a person’s 1.8 m height instead, which is why it comes out higher. Full explanation.

Specifications

Manufacturer-published figures, cross-checked against steiner-optics.com page (item 9524, MSRP $3,219.99) + Steiner H35 manual (maker lists only '1-8x digital' system magnification; 2x removable 18650).