AGM ReachIR LRF 50-640

  • AGM ReachIR LRF 50-640
  • AGM ReachIR LRF 50-640
  • AGM ReachIR LRF 50-640
  • AGM ReachIR LRF 50-640
  • AGM ReachIR LRF 50-640
  • AGM ReachIR LRF 50-640
  • AGM ReachIR LRF 50-640
  • AGM ReachIR LRF 50-640
  • AGM ReachIR LRF 50-640
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AGM ReachIR LRF 50-640

The ReachIR LRF 50‑640 is the flagship of AGM’s handheld rangefinder line. It couples a 640×512 sensor with a 50 mm f/1.0 lens to deliver a 3× optical magnification and detection rated up to ~2.6 km. Although the field of view is narrower than the 25 mm and 35 mm models, the larger objective gathers more energy for better detail at long distances.

A built‑in laser rangefinder measures up to ~1,000 m, and 64 GB of internal memory captures video with audio. The unit runs on a removable 18650 battery for around 4 hours and features Wi‑Fi streaming, a 50 Hz refresh rate and an IP67‑rated magnesium chassis.

Recording
Hand
Held
5 Year
Warranty
WiFi
Hot Spot
18650
Battery
Laser Range
Findver
MSRP: $3,294.72
PRICE: $2,495.00

  • Is This the Right Thermal for You?:

    If your primary goal is long‑range detection and identification from a handheld monocular, the 50‑640 is the obvious choice. Its 3× base magnification and 50 mm objective let you spot and ID hogs, deer or intruders at distances where smaller lenses struggle. Be aware that it is the heaviest ReachIR and has a narrower field of view, so it’s less suited to tight timber or quick scanning at close range.

  • Best For:

    • Open‑country hunters who need to detect and identify heat signatures past 1,000 yards
    • Search‑and‑rescue, border security or marine users requiring maximum range in a handheld unit
    • Professional users who prioritize resolution and reach over compactness and weight

  • Not Ideal For:

    • Dense woods or confined environments where a wide field of view is more important
    • Long hikes where the added weight (≈1 lb) becomes noticeable
    • Budget‑conscious buyers or those who don’t need detection past about 1,500 yards

  • How This Model Compares:

    The 50‑640 represents the top tier of the ReachIR family. Its 50 mm objective and 640 sensor deliver the longest detection range—AGM lists detection up to ~2.6 km on a 6‑ft target—but the trade‑off is a narrower field of view and greater weight. The 35‑640 offers a wider view and lower weight with slightly less range, while the 25‑384 is lightest and most affordable but has lower resolution and roughly half the detection distance.

    Compared to the 35‑640, the 50‑640 extends detection from ~1.8 km to ~2.6 km and increases optical magnification from 2× to 3×. The downside is a narrower field of view (8.7° vs 12.5°) and more weight.

  • What You Actually Get in Real-World Use:

    Field reports show the 50‑640 excels for spotting coyotes, deer and people far across open pastures or along lake shores. Positive identification is possible out to ~700–800 yards thanks to the 3× base magnification and high‑resolution sensor. The integrated rangefinder is accurate to a yard up to ~1,000 m and is helpful for adjusting ballistic drop. Digital zoom up to 8× is available, though clarity diminishes at high zoom.

    The battery provides about 4 hours of runtime, so a spare 18650 or external power bank is advisable. Because the lens is larger, the unit is heavier and somewhat front‑heavy, but it remains comfortable for handheld use with a wrist strap.

  • FAQS

    • How far can I see with the ReachIR 50‑640?
      The detection range for a 6‑ft object is rated at roughly 2.6 km. Positive identification of animals is typically reliable up to about 800 yards under normal conditions.
    • How does the field of view compare to other ReachIR models?
      The 50‑640's field of view is 8.7° × 7.0°, which is narrower than the 12.5° × 10.0° field on the 35‑640 and the 10.5° × 7.9° field on the 25‑384.
    • Is the larger lens more fragile?
      The 50 mm germanium lens is well protected by a robust magnesium housing and a locking lens cap. Treat it with care, but the optic is built to withstand typical hunting and marine environments.
    • Does the 50‑640 still use the same batteries?
      Yes. It runs on a single removable 18650 battery. Expect around 4 hours of runtime per battery; extras are inexpensive and easy to swap.
    • Can I mount the 50‑640 on a tripod?
      Yes. The housing includes a tripod socket on the underside. Mounting to a monopod or tripod helps stabilize the image at high magnification.

  • Key Features at a Glance:

    • 640×512 12 µm VOx sensor with <20 mK sensitivity
    • 50 mm f/1.0 germanium lens; 3× optical magnification with 1×/2×/4×/8× digital zoom
    • Detection range up to 2.6 km; integrated 1,000‑m laser rangefinder
    • 50 Hz refresh rate and 1024×768 OLED display
    • 64 GB internal memory for video and audio recording
    • Replaceable 18650 battery provides about 4 hours runtime
    • Wi‑Fi hotspot for live streaming and file transfer
    • IP67‑rated magnesium alloy housing with 5‑year warranty

  • Detailed Product Description:

    The AGM ReachIR LRF 50-640 pairs handheld thermal viewing with laser distance measurement. Its 50 mm f/1.0 lens and 3× base magnification give you a closer starting view than the ReachIR 35-640. The tradeoff is a narrower 8.7° × 7° field of view, which matters when scanning nearby ground. A 640×512, 12 µm sensor with sub-20 mK sensitivity provides the underlying image detail.

    A 50 Hz refresh rate, 1024×768 OLED display and integrated laser rangefinder rated to 1,000 meters cover observation and ranging. Digital zoom enlarges the thermal image rather than adding sensor detail. Measuring a heat signature's distance also does not establish its identity.

    Photos and video save to 64 GB storage, with Wi-Fi connectivity for AGM Connect. One removable 18650 battery powers the monocular; two batteries are included. AGM rates runtime up to 4.5 hours, and the housing carries an IP67 rating. Choose this model when the 3× starting view fits your observation area.

  • Technical Specifications:

    • Detector: 12 µm VOx uncooled FPA, 640×512 resolution, NETD <20 mK
    • Lens system: 50 mm f/1.0; field of view 8.7° × 7.0°
    • Optical magnification: 3× (digital zoom 1–8×)
    • Detection range (6‑ft target): ≈2,600 m; laser rangefinder range: 1,000 m
    • Display: 0.39‑inch OLED, 1024×768, 50 Hz refresh
    • Memory: 64 GB internal storage for photos and video with audio
    • Power: one removable 18650 battery; ≈4 h runtime; USB‑C external power
    • Dimensions/weight: ~7.4 × 3.4 × 2 in; ~16 oz
    • Environmental: IP67 waterproof; operating temp –22 °F to +131 °F
    • Warranty: 5 years transferable on the optic and sensor