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



How far you can see a person
160 m make out detail260 m tell what it is1,042 m spot it┆ maker’s claim
501002005001k2k5k m
Pard quotes 2,600 m, 2.5× our figure, because makers usually measure against a person’s full height rather than their width. Why the numbers differ
PardRiflescope · 640-class · Laser rangefinder
Pard Ocelot 640 LRF
- Approx. price
- ~$3,999
- Sensor
- 640×512 · 12 µm
- Lens
- 50 mm · 2.5×
- Weight
- 22.8 oz
Check price on Amazon
We may earn a commission. Price and availability on Amazon’s site may differ.
Best for
Night shooting where ranging matters — hogs and coyotes past 150 yards
01Specifications
As published by Pard. Sources: pard.com, service.pard.com (store API).
- Sensor
- 640×512
- Pixel pitch
- 12 µm
- NETD
- ≤20 mK
- Refresh rate
- 50 Hz
- Lens
- 50 mm
- Digital zoom
- up to 20×
- Field of view
- 7° horizontal
- Display
- 800x800 LCD
- Claimed detection
- 2,600 m
- Claim basis
- human
- Run time
- 5 h
- Battery type
- Removable pack
- Weight
- 22.8 oz
- Length
- 7.2″
- Records video
- Yes
- Wi-Fi
- Yes
- IP rating
- IP67
- Warranty
- 3 years
- Approx. price
- ~$3,999
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 (104th-best of 285 that publish it)
- Built-in laser rangefinder that feeds the ballistic calculator
- Swappable battery pack, so a spare doubles the run time
- Waterproof (IP67), survives a dunking
- Records video and connects to a phone app
Against it
- Zoom past 2.5× is digital and gets blurry
03Compare the LRF
04Related units

PardRiflescope
Pard Pantera Zoom
Est. detection
1,042 m
Maker’s claim
2,600 m
- Sensor
- 640×512
- Pitch · Hz
- 12 µm · 50
- Lens
- 50 mm
LRF · 26.8 oz~$4,999

ArmasightRiflescope
Armasight Contractor 640 3-12x50
Est. detection
1,042 m
Maker’s claim
1,865 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 50 mm
60 Hz · 32 oz~$2,999

Bering OpticsRiflescope
Bering Optics Super Yoter R 50
Est. detection
1,042 m
Maker’s claim
2,000 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 50
- Lens
- 50 mm
20 oz~$3,395