Short throw projector Viewsonic LS711W 4200 ANSI lumens WXGA

The ViewSonic LS711W is a short throw projector offering 4200 ANSI lumens brightness and WXGA (1280x800) native resolution in a compact, lamp-free design. Built on ViewSonic’s Luminous Superior series with 3rd‑generation laser phosphor technology, the LS711W provides long-lasting illumination, instant power on/off and reduced maintenance. With a 0.52 short throw ratio it can produce a 100" image from approximately 1.1 m, supporting large-screen projection up to 300" while remaining lightweight and energy efficient. The projector supports H/V keystone correction, 4-corner adjustment, 360° projection and portrait mode for flexible installation in commercial and educational environments.

Advantages

The LS711W combines high brightness and improved luminous efficiency to deliver vivid images in well-lit rooms without a lamp replacement cycle. Its laser phosphor light source extends operational life and enables continuous 24/7 use with consistent image quality. Compact and lighter than previous generations, it reduces transport and installation effort. Short throw optics eliminate projection shadows at close range and simplify edge blending for immersive displays. Built-in power for wireless HDMI dongles, sealed optical engine with dust resistance and easy USB firmware updates further lower operating costs and maintenance requirements.

Suitable for

• Classrooms and lecture halls where bright, maintenance-free projection is required
• Meeting rooms and corporate presentations with limited throw distance
• Retail displays, museums and public spaces requiring continuous 24/7 operation
• Restaurants, galleries and event spaces needing large, high-contrast images
• Projection mapping, staging and signage using portrait mode and 360° rotation

Key specifications

• Brightness: 4200 ANSI lumens
• Native resolution: WXGA (1280 × 800)
• Light source: 3rd‑generation laser phosphor, lamp‑free
• Light source lifespan: up to 30,000 hours
• Short throw ratio: 0.52 (100" from ~1.1 m)
• Image size range: up to 300"
• Contrast: high native contrast via DMD chip
• Keystone and geometry: horizontal/vertical keystone correction and 4-corner adjustment
• Projection modes: 360° rotation and portrait mode
• Power output: 5V/1.5A USB-A for dongle power
• Weight: 3.15 kg
• Colour: White

How to use

Place the projector on a stable surface or mount it according to the required throw distance; for a 100" image position the projector approximately 1.1 m from the screen. Connect video sources using available inputs and power on—the laser light source provides near-instant illumination. Use manual focus to sharpen the image, then apply horizontal and vertical keystone correction and 4‑corner adjustment to correct geometry. For portrait or rotated installations, enable 360° projection or portrait mode and verify cooling clearance. When streaming wirelessly, connect a compatible HDMI dongle and use the projector’s USB‑A port to provide power if needed. Update firmware via USB cable to ensure the projector runs the latest software.

Usage recommendations

Operate the projector in ventilated environments and follow manufacturer instructions for mounting and clearance to maintain cooling efficiency. For long-term installations, take advantage of the sealed optical engine and IP6X dust resistance but schedule periodic visual inspections. Use the short throw placement to minimize shadows and position the projector to enable unobstructed edge blending when combining multiple units.