RIX · Titan T6

Estimated range, standing human, clear air

IdentifyRecognizeDetectBox claim

RIX Titan T6640×480 · 12 µm · 35 mm

112 m identify182 m recognize729 m detectbox says 1,820 m (unspecified)

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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.

RIX

RIX Titan T6

Handheld monocular640-classLaser rangefinder

The RIX Titan T6 is a 640×480, 12 µm thermal handheld monocular behind a 35 mm lens, with a built-in laser rangefinder. On the Johnson yardstick that is an estimated 729 m detection and 182 m recognition range for a standing person; RIX quotes 1,820 m detection. Its estimated detection range is longer than 30% of the 67 units here.

Approx. price: ~$2,599
Sensor: 640×480 · 12 µm
Lens: 35 mm · 2.2×
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

1,820 m

detection, unspecified

Johnson estimate

729 m

detect · 182 m recognize · 112 m identify

Claim ÷ estimate

2.5×

how much further the box reaches than a 2-pixel, 0.5 m criterion

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 rixoptics.com (product page; detection 1,988 yd on the Titan series page, product page lists 1,312 yd which matches its LRF range), pitch: bhphotovideo.com + capethermal.com (12 µm).