← 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
N-Vision quotes 1,850 m, 1.8× our figure, because makers usually measure against a person’s full height rather than their width. Why the numbers differ
N-VisionRiflescope · 640-class
N-Vision HALO-X50
- Approx. price
- ~$8,495
- Sensor
- 640×480 · 12 µm
- Lens
- 50 mm · 3.5×
- Weight
- 37 oz
Buy from N-Vision
Price and availability on N-Vision’s site may differ.
Best for
A dedicated night rifle for hogs and coyotes on open ground
01Specifications
As published by N-Vision. Sources: nvisionoptics.com (MSRP $8,495, no store discount shown unlike the X35; 50 mm F1.1; 3.5x optical with 1x, 2x, 4x, 8x digital, so 28x total; 2,020 yd detection; 2x 18650 up to 7 h; FOV, IP67 from HALO-X User Manual Rev 1.3), nvisionoptics.com warranty page.
- Sensor
- 640×480
- Pixel pitch
- 12 µm
- Refresh rate
- 60 Hz
- Lens
- 50 mm
- Digital zoom
- up to 28×
- Field of view
- 8.7° horizontal
- Display
- 640x480 OLED
- Claimed detection
- 1,850 m
- Claim basis
- man-size target (typical)
- Run time
- 7 h
- Battery type
- 18650
- Weight
- 37 oz
- Length
- 8.9″
- Records video
- Yes
- Wi-Fi
- Yes
- IP rating
- IP67
- Warranty
- 5 years
- Country of origin
- USA
- Approx. price
- ~$8,495
02Pros and cons
From the published specs, not owner reports.
For it
- 640×480 sensor, 2.8× the detail of an entry-level 384
- Smooth 60 Hz picture on a running animal
- Takes 18650 batteries you can swap in the field
- Waterproof (IP67), survives a dunking
- Records video and connects to a phone app
- Warranty: 5 years
Against it
- Sensitivity (NETD) not published
- Heavy at 37 oz, 34th-heaviest of the 194 riflescopes here
- No rangefinder, so you judge distance by eye
- ~$8,495, well above the ~$3,000 typical for riflescopes here
- Zoom past 3.5× is digital and gets blurry
03Compare the HALO-X50
04Related units
N-VisionRiflescope
N-Vision HALO-LR
Est. detection
1,042 m
Maker’s claim
1,850 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 50 mm
60 Hz · 28.2 oz~$7,695
N-VisionRiflescope
N-Vision HALO-XRF
Est. detection
1,042 m
Maker’s claim
1,850 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 50 mm
LRF · 60 Hz · 41.5 oz~$9,495
N-VisionRiflescope
N-Vision NOX35
Est. detection
729 m
Maker’s claim
1,360 m
- Sensor
- 640×480
- Pitch · Hz
- 12 µm · 60
- Lens
- 35 mm
60 Hz · 18.7 oz~$6,795