Official Partner
4K Clarity for Immersive Visuals and
Detail-filled Experiences
Discover breathtaking clarity with 4K resolution, bringing intricate details and vibrant colours to life. LK835ST ensures precise alignment with its motorised zoom, 3D Keystone Correction, and curved screen warping, allowing for quick and easy setup. With the power of 4K resolution, it enhances the immersiveness of any content, making it perfect for educational, interactive, and entertainment setups.
Immersive and Simulation Projection Services
Tell us your needs
Reach out to us and share your AV or simulation project requirements with our projection experts.
Get a custom 3D model
We will customise 3D modelling simulation proposals for any space, using technical drawings to specify the appropriate projectors based on installation requirements.
Turn your vision into reality
For all your hardware and software solution needs, such as multi-projector setups and edge blending, we collaborate with partners who can assist with AV installation.
Seamless Alignment and Sharp Focus from any Angle
Quick Focus
Remote, hot-key, or RS232 control snaps the picture into sharp focus in seconds.
Auto Screen Fit
Aligns the image to the screen in three guided steps, removing manual shift and keystone work.
*Note:
Auto Screen Fit supports 16:9, 16:10, 4:3, and 1:1 aspect ratios.
For non-standard aspect ratios, please view the video and adjust via graphic card settings.
Enclosure or screen border requires at least 2 inches of width.
Long-Lasting, Accurate, and Vivid Colours
20,000-Hour Lifespan with No Lamp Replacement
Guarantees up to 20,000 hours of maintenance-free operation, saving you money on lamp replacements and maintenance. Take advantage of the consistently impressive brightness for up to 30,000 hours under Eco Mode.
Optimal Installation Flexibility
0.69 Short Throw Ratio & 1.2x Zoom
| Brightness (ANSI lumens) | 4000 | Resolution | 4K UHD (3840×2160) |
| Native Aspect Ratio | 16:9 | Contrast Ratio (FOFO) | 3,000,000:1 |
| Display Color | 30-bit (1.07 billion colors) | Light Source | Laser |
| Light Source Life | 20000 hrs | Throw Ratio | 0.69-0.83 |
| Zoom Ratio | 1.2x | Lens | F/2.53(Wide), f = 10.2mm(Wide) |
| Projection Offset (Full-Height) | 102.5% | Keystone Adjustment | 3D, Vertical ±30°, Horizontal ±30°, Rotation ±30° |
| Rec. 709 Coverage | 95% | Picture Modes | 3D, Bright, Cinema, Game, Golf, HDR10, HLG, sRGB, User 1, User 2 |
| Input Lag | 33.4 ms (1080P 60Hz) | Resolution Support | VGA (640x480) to 4K UHD (3840x2160) |
| Horizontal Frequency | 15K~135KHz | HDMI in | (x2), HDMI-1 (2.0b/HDCP2.2), HDMI-2 (2.0b/HDCP2.2) |
| USB Type A | (x2), Type A-1 (2.0/1.5A/Service), Type A-3 (2.0/Wireless Dongle) | USB Type C | (x1), Display Port with PD out 5V/1A |
| RS232 in (DB-9pin) | (x1) | Speaker | (x1), 10W |
| HDMI Audio Return | eARC, 7.1 channel | Operating Temperature | 0~40℃ |
| Power Supply | AC 100 to 240 V, 50/60 Hz | Typical Power Consumption (110V) | 192W |
| Stand-by Power Consumption | <0.5W | Acoustic Noise (Typ./Eco.) | 32db/29db |
| Wireless USB dongle | 5201BS | Remote Control w/ Battery | RCA011 |
| Power Cord (by region) | x1 (1.8M) | Quick Start Guide | (x1) 21L |
| Warranty Card (by region) | Yes | Universal Ceiling Mount | CM00G3 |
| Dimensions (WxHxD) (mm) | 303.5 x 112.4 x 234.5 | Net Weight (kg) | 3.4 Kg +/- 100g |
| Dimensions (WxHXD) (inch) | 11.94 x 4.43 x 9.23 | Net Weight (lb) | 7.48 lb |
| Projection System | DLP |
| Description | Downloads |
|---|---|
| BenQ LK835ST 4K Laser Projector - 4000 Lumens Datasheet | Download |
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