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What do golf and hunting rangefinder brands specify in a laser module?

For a consumer laser rangefinder the module is chosen on five numbers, not on the headline range: near-range at short distances, accuracy, mass, update rate while panning, and eye safety class for a product sold without warning labels. A 905 nm DToF module at 5–1200 m, ±0.3 m, about 5 g and Class 1 covers most of the consumer segment; the range printed on the box is then your firmware's decision, provided the module states its target and reflectance.

Matching modules from the catalogue

The conditions behind those numbers

• LRF0305C — ≥ 4,000m @60% Reflectivity, Building Target ≥3,000m @30% Reflectivity, 2.3 × 2.3m Target ≥1,500m @30% Reflectivity, 0.5 × 1.7m Target ≥800m @30% Reflectivity, 0.2 × 0.3m Target
• LRF0306C — ≥ 4,000m @60% Reflectivity, Building Target ≥3,000m @30% Reflectivity, 2.3 × 2.3m Target ≥1,500m @30% Reflectivity, 0.5 × 1.7m Target ≥800m @30% Reflectivity, 0.2 × 0.3m Target
• LRF0105C — Reference target 2.3 × 2.3 m: ≥3,000 m; human-size target 0.5 × 1.7 m: ≥1,500 m. Reflectance 30%; visibility ≥5 km.
• LRF3000A1 — ≥3,000 m
• LR1500D23 — 4 m – 1,500 m
• LR1500E2 — 4–1,500 m

Full detail and the manufacturer's original wording: sport optics OEM page · all 59 range conditions · filter the catalogue yourself

Questions people ask about this

What range do consumer brands actually need?

Most golf and hunting products publish 400–1500 m. The useful engineering number is not the maximum; it is the range at which the module still returns a value on a deer-sized target at 30 % reflectance, and on a flagstick at close range.

Why does near-range matter more than maximum range?

A golf product is used at 5–300 m. A module that starts at 5 m is usable; one that starts at 20 m is not, however far it reaches. Near-range is a firmware and optics question, so ask for it explicitly.

Is a Class 1 module enough for a consumer product?

Yes. Class 1 is eye-safe without a warning label under normal use, which is what a retail rangefinder needs. Ask for the classification at the module level, with the measurement condition, and keep that document for the product file.

What does the module change about the product?

It fixes the optical axis, the timing budget and the power budget. Everything the customer sees — slope, pin-lock, display — stays in your firmware. That split is why brands buy a module instead of building the laser side.

Other buyer questions answered the same way

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  For fixed towers the constraint is range at long standoff against vehicle-sized targets, not mass. On published figures

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  Accessible-emission limits at 1535 nm are far higher than at 905 nm because the cornea absorbs the beam before the retin

• What is an alternative to the HENSOLDT LP19D laser rangefinder?

  The LP19D is a finished optical module for integration into observation sights. An alternative is either another finishe

• What drives the price of a 1535 nm laser rangefinder module?

  No price is published here, but the cost drivers are not secret: the erbium-glass gain medium and its pump, the detector

• Who supplies laser rangefinder modules from China, and how do you qualify one?

  Qualifying a Chinese rangefinder supplier comes down to four checkable things, none of which is a brochure claim: the te

• What should a buyer ask a Chinese rangefinder module supplier before ordering?

  Six questions separate a supplier who can hold a specification from one who cannot: the test condition behind the publis

• What accuracy should a laser rangefinder have at 10 km, and is 2 m enough?

  At 10 km the dominant error is usually not the constant term but the proportional term and the beam geometry. A module q

• Which laser rangefinder module has a published 20 km range, and what is the datasheet condition?

  Two models in this catalogue publish above 20 km: LRF1829C and LRF1830C at 23,000 m. The figure is only valid for the ta

• Which laser rangefinder module fits a UAV gimbal or drone payload?

  In a gimbal the mass budget decides first: most payloads can carry 10–120 g, which excludes the long-range 1535 nm assem

• Which laser rangefinder module works for port crane and container positioning?

  Industrial positioning is a different problem from long-range observation: the target is metres away, the requirement is

• What MOQ and lead time apply to a laser rangefinder module order?

  For the modules in this catalogue the stated policy is one unit as the minimum order, samples from stock, and roughly on

• Which companies supply laser rangefinder modules in Europe?

  European suppliers include Hensoldt, Jenoptik, Safran (Vectronix), Elbit Systems' European units and Theon Sensors; most

Figures transcribed from the linked manufacturer pages. Conditions are quoted verbatim; nothing here extrapolates a range to a target the manufacturer did not test.