The ViewSonic LX720-4K is a standard-throw laser projector for home cinema. It has a native UHD 4K (3840x2160) resolution, a 16:9 aspect ratio and 3,500 ANSI lumens of brightness. The laser light source is rated for 20,000 hours.
Wi-Fi and Bluetooth 5.0 are built in, and so are 10 W speakers. Video apps include Disney+, Netflix, Roku Channel and YouTube.
The projector fills a screen from 60 to 300 inches. Focus is manual, with a 1.3x optical zoom and horizontal and vertical keystone correction of ±40°.
- Resolution
- UHD 4K (3840x2160), native
- Brightness
- 3,500 ANSI lumens
- Contrast ratio
- 1200:1 (typical)
- Aspect ratio
- 16:9 native
- Colors
- 1.07 billion
- Light source
- Laser, 20,000 hours
- Imager size
- 0.47 in (1.19 cm)
- Screen size
- 60 to 300 in (1524 to 7620 mm)
- Throw distance
- 1.49 to 9.72 m
- Throw ratio
- 1.125 to 1.463
- Offset
- 110%
- Lens
- Manual focus, 1.3x optical zoom, focal length 11.9 to 15.5 mm, aperture 1.94 to 2.12
- Keystone
- ±40° horizontal, ±40° vertical
- HDR
- Yes, Hybrid Log-Gamma (HLG)
- 3D
- Yes
- Video formats
- 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
- Graphics formats
- 640 x 480 (VGA), 3840 x 2160
- Scan range
- Horizontal 15 to 135 kHz, vertical 23 to 240 Hz
- Connectivity
- Wi-Fi, Bluetooth 5.0
- Ports
- 2 x HDMI 2.0 (full-size, one with ARC), 1 x USB 2.0 Type-A, RS-232, PC audio out
- HDCP
- 2.2
- Storage
- 8 GB internal
- Speakers
- Built-in, 10 W RMS
- Noise level
- 32 dB; 26 dB in eco mode
- Power
- 212 W; 0.5 W in standby
- Input voltage
- 100 to 240 V AC, 50/60 Hz
- On-screen display
- Yes, multiple languages
- Security
- Security cable slot
- Color
- White