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The BenQ LK830ST is a short-throw 4K UHD laser projector built for simulation, large-venue displays, and multi-projector installations. It delivers 4,000 ANSI lumens, a 3,000,000:1 contrast ratio, and a 0.5:1 throw ratio that produces huge images from close range. The laser light source lasts up to 20,000 hours and supports 360-degree mounting, HDR10, and HLG. Reviewers praise its brightness, sharpness, and easy setup for golf simulators and museum exhibits, though some dislike the external power brick. It suits commercial and high-end home simulation users who need a bright, sharp image in tight spaces.
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Availability unknownSold by though (100% positive, 7,000 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
Availability unknown
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Availability unknownSold by pluto-house (99.6% positive, 1,500 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $2,432.07 on Nov 10 at Grooves-Inc.com. Tracked across 16 stores since Nov 10.
Reviewers are very positive about the BenQ LK830ST, highlighting its brightness, picture quality, and short throw distance for simulation and installation use. The main complaint is the external power brick, which one reviewer calls a poor design choice.
Description
The BenQ LK830ST is a professional-grade, short-throw laser projector engineered for immersive simulation, large-venue display, and multi-projector installations. With true 4K UHD resolution and 4000 ANSI lumens brightness, it delivers razor-sharp imagery and vibrant color even in challenging lighting environments. Its 0.5 throw ratio reduces installation distance and enables large image projection from tight spaces—ideal for simulation rooms, architectural mapping, or interactive installations.
Product Features
True 4K UHD (3840 × 2160) resolution for razor-sharp detail.
4000 ANSI lumens for bright and vivid visuals in ambient light.
Short-throw 0.5 : 1 ratio projects large images from tight spaces.
Laser light source rated up to 30,000 hours for long-term reliability.
3,000,000 : 1 contrast ratio for exceptional depth and color accuracy.
Sealed optical engine and optional air filter for dust protection.
Factory color calibration with BenQ White Balance Adjustment (WBA).
360° installation flexibility with portrait mode and keystone correction.
LAN-based remote management and firmware updates.
What's Included
BenQ LK830ST Projector
Remote Control with Batteries
Power Cord
Quick Start Guide
Warranty Card (Optional accessories sold separately: ceiling mount, anti-dust filter kit.)
Specifications
Display Technology: DLP (single chip 0.65")
Resolution: 3840 × 2160 (4K UHD)
Brightness: 4000 ANSI Lumens
Contrast Ratio: 3,000,000 : 1
Throw Ratio: 0.496 : 1
