BenQ LK835ST Projector, 3840 x 2160 4K UHD, 4000 Lumen

BenQ LK835ST – The powerful 4K laser projector for large images from a short distance

The BenQ LK835ST combines state-of-the-art 4K imaging technology with a flexible short-throw ratio, making it the ideal solution for professional presentations, immersive experiences in museums, educational institutions or demanding installations in the event sector. Thanks to its precise image adjustment and long-lasting laser light source, this projector delivers outstanding performance – even in difficult spaces or under heavy use.

Technical highlights at a glance:

• Projection technology: DLP, single 0.65" DMD, 4K UHD (3840 x 2160)
• Brightness: 4000 ANSI lumens
• Contrast ratio: 3,000,000:1
• Colour depth: 30 bits (1.07 billion colours)
• Aspect ratio: Native 16:9, 5 modes selectable
• Light source: Laser, service life up to 30,000 hours (eco mode)
• Projection ratio: 0.69 – 0.83 (short throw)
• Zoom & focus: Motorised, 1.2x zoom
• Keystone correction: 3D correction vertical & horizontal (automatic & manual)
• Projection size: 60" – 120" (up to 240" manually adjustable)
• Speaker: 10W integrated
• Dimensions: 3.5 x 234.5 x 112.4 mm; weight: approx. 3.4 kg
• WLAN function: Optional via dongle

Brilliant 4K image quality for impressive presentations

Experience detailed, realistic images with the native 4K UHD resolution of the BenQ LK835ST. With 4000 ANSI lumens, the projector delivers bright, high-contrast images even in light-filled rooms. 3D keystone correction, curved screen warping and motorised zoom and focus functions guarantee precise image alignment – even with unconventional installations or curved projection surfaces.

Flexibility and reliability for professional applications

The short throw ratio of 0.69–0.83 allows large projections in confined spaces – ideal for interactive whiteboards, stages or trade fair installations. Thanks to automatic screen adjustment, motorised zoom and focus, and automatic corner adjustment, the LK835ST can be set up quickly and conveniently. The factory white balance setting ensures consistent colour reproduction in multi-projector installations. The IP5X-sealed projector motor and optional filters also guarantee high dust resistance and durability in continuous use.

Wireless connectivity and sophisticated features

With an optional Wi-Fi dongle, the projector can be controlled wirelessly – perfect for presentations directly from mobile devices. The integrated speakers provide solid basic audio without additional hardware. Security features such as Kensington security and broad language support in the OSD menu underline the professional orientation of this projector.

The BenQ LK835ST combines brilliant 4K image quality with high installation flexibility for impressive short-throw projections.