BenQ LH820ST HD Short |Throw DLP Laser Projector

Product Overview

The BenQ LH820 HD Short Throw DLP Laser Projector delivers exceptional image clarity, brightness, and versatility for professional and simulation environments. This golf simulator projector featuring Full HD 1080p resolution and 3600 ANSI lumens of brightness, it produces sharp, vibrant visuals even in well-lit spaces.

Its short throw lens allows large, crisp images to be projected from a short distance—perfect for golf simulators, classrooms, and business presentations. Powered by a durable laser light source, the LH820 provides up to 20,000 hours of maintenance-free operation, reducing costs and downtime.

BenQ’s DLP technology ensures consistent color accuracy, deep contrast, and smooth performance over time. With flexible installation options, multiple HDMI ports, and advanced heat management, this projector is built for reliability and precision.

 Ideal for users who demand professional-grade quality in compact form, the BenQ LH820 combines brightness, efficiency, and convenience for immersive projection experiences in any setting.

 It offers a compact form factor, measuring 15.9 x 10.6 x 6.15 inches and weighing approximately 12.3 pounds.

Complete Your Golf Simulator Setup Maximize the performance of the BenQ LH820ST by combining it with our Projectors & Displays, Full Golf Simulator Enclosure Kits, and Golf Launch Monitors for a seamless, pro-level simulator environment.

Key Specifications

• Brightness: 3,600 ANSI lumens
• Contrast Ratio: 3,000,000:1
• Light Source: Laser phosphor with a lifespan of 20,000 hours in normal mode and up to 30,000 hours in eco mode
• Throw Ratio: 0.50:1
• Lens: Fixed, f/2.8, f = 7.46mm
• Keystone Correction: ±30° vertical and horizontal
• Input Lag: 16.7 ms at 1080p/60Hz
• Color Accuracy: Dual color wheels covering 90% of the Rec. 709 color gamut
• Audio: 10W mono speaker
• Connectivity: 2x HDMI 1.4b, 2x VGA, composite video, S-Video, USB-A, USB Mini-B, RS-232, RJ45 LAN

Key Features

• Short Throw Projection: Achieve large images within a short distance, ideal for small spaces.
• Edge Blending: Factory white balance adjustment ensures seamless multi-projector setups.
• Golf Mode: This short throw laser projector for virtual reality has optimized color settings for realistic golf simulation experiences.
• 2D Keystone & Corner Fit: Facilitates precise image alignment in various installation scenarios.
• Dustproof Design: IP5X-rated sealed engine protects internal components, enhancing durability.
• Resolution: Full HD (1920 x 1080)
• Zoom: Fixed lens
• HDR Support: Yes, compatible with HDR10
• Flexible Installation: Features like lens shift and keystone correction simplify setup and alignment.
• Dust-Resistant Design: Sealed optical engine protects against dust, ensuring long-term reliability.
• 3 Year Warranty

Please note that the BenQ LH820ST was discontinued in August 2024.

❓ FAQs

Is the BenQ LH820ST the best projector for a golf simulator?

The BenQ LH820ST is widely considered one of the best short throw projectors for golf simulators due to its 3600 ANSI lumens brightness, Full HD 1080p resolution, and 0.50:1 throw ratio. It delivers bright, sharp visuals with minimal shadowing, making it ideal for both home and commercial simulator setups. 

Can the BenQ LH820ST be used in a small golf simulator room?

Yes, the short throw design allows you to project a large, immersive image from a short distance. This makes it perfect for small spaces, garages, or indoor golf simulator rooms where depth is limited.

What size screen can the BenQ LH820ST project?

The BenQ LH820ST can project large screen sizes even in tight spaces due to its 0.50:1 throw ratio. It is commonly used with golf simulator impact screens ranging from 8 to 16 feet wide, depending on your room dimensions and mounting distance. 

How bright is the BenQ LH820ST for indoor golf setups?

With 3600 ANSI lumens, this projector performs exceptionally well in both low-light and moderately lit environments. It maintains strong image clarity and color even when ambient light is present—perfect for daytime practice sessions.

Does the BenQ LH820ST have low input lag for real-time feedback?

Yes, with approximately 16.7ms input lag at 1080p/60Hz, the LH820ST provides smooth, responsive visuals. This is essential for accurate ball tracking and real-time feedback in golf simulator software.

Is the BenQ LH820ST discontinued, and should I still buy it?

Yes, the LH820ST was discontinued in August 2024. However, it remains a highly desirable projector due to its performance, reliability, and compatibility with golf simulator systems. Many users still actively seek this model for proven results.

What are the best alternatives to the BenQ LH820ST?

If you’re looking for a replacement, consider newer short throw laser projectors with similar specs—such as 3000+ lumens brightness, 1080p resolution, and low input lag. Popular alternatives come from brands like BenQ, Optoma, and other golf simulator-focused manufacturers.

How long does the laser light source last?

The LH820ST features a laser phosphor light source with up to 20,000 hours of lifespan in normal mode and up to 30,000 hours in eco mode—significantly reducing maintenance and replacement costs.

Is this projector compatible with golf simulator enclosures and launch monitors?

Yes, the BenQ LH820ST integrates seamlessly with golf simulator enclosures, impact screens, and popular launch monitors. It is specifically designed to enhance simulator environments with accurate visuals and consistent performance.

⚔️ BenQ LH820ST vs Standard Projectors

Standard projectors often struggle in simulator environments due to long throw distances and lower brightness. The LH820ST’s short throw lens and high lumen output make it far superior for indoor golf setups, eliminating shadows and improving image clarity. 

BenQ LH820ST vs Long Throw Projectors

Long throw projectors require more mounting distance, which can limit usability in home setups. The LH820ST’s 0.50:1 throw ratio allows it to project large images from a short distance, making it the better choice for compact or space-limited environments.

BenQ LH820ST vs Lamp-Based Projectors

Lamp projectors require frequent bulb replacements and tend to lose brightness over time. The LH820ST’s laser light source delivers consistent brightness, longer lifespan (up to 30,000 hours), and lower long-term maintenance costs. 

BenQ LH820ST vs Other Golf Simulator Projectors

Compared to other golf simulator projectors, the LH820ST offers an ideal balance of brightness, short throw capability, low input lag, and durability. While newer models may offer incremental upgrades, this projector remains a proven and reliable option for serious golfers.

BenQ LH820ST vs Newer Laser Projectors

Newer models may offer 4K resolution or slightly higher brightness, but the LH820ST still competes strongly due to its optimized performance for golf simulators, lower input lag, and excellent value in the short throw category.

Feature: Throw Type
BenQ LH820ST: Short Throw (0.50:1)
Standard Projector: Long Throw
Lamp Projector: Long Throw

Feature: Brightness
BenQ LH820ST: 3600 Lumens
Standard Projector: 2000–3000 Lumens
Lamp Projector: 2000–3500 Lumens

Feature: Light Source
BenQ LH820ST: Laser
Standard Projector: Lamp
Lamp Projector: Lamp

Feature: Lifespan
BenQ LH820ST: 20,000–30,000 hours
Standard Projector: 3,000–5,000 hours
Lamp Projector: 3,000–5,000 hours

Feature: Maintenance
BenQ LH820ST: Low
Standard Projector: Medium
Lamp Projector: High

Feature: Best Use
BenQ LH820ST: Golf Simulators
Standard Projector: General Use
Lamp Projector: Budget Setups

🔁 Returns & Warranty 

Returns Policy

We want you to feel confident in your purchase. Most BenQ products are eligible for returns within 30 days of delivery (or 14 days for refurbished items, if applicable).

To qualify for a return:

• The item must be in original condition and packaging
• All accessories, manuals, and components must be included
• The product must not show signs of misuse or damage

Return requests must be initiated within the applicable return window. Once approved, a return authorization (RMA) will be issued along with instructions for returning the item.

Please Note:

• Return shipping fees may apply depending on the reason for the return
• Refunds are typically processed within 3–5 business days after inspection
• It may take 7–10 business days for the refund to appear on your original payment method

Damaged or Defective Items

If your item arrives damaged or defective, please contact us within 5–7 business days of delivery.

To ensure a quick resolution:

• Take clear photos of the packaging and product damage
• Keep all original packaging materials
• Do not discard the item until the claim is processed

We will work with the manufacturer to arrange a replacement or repair at no additional cost.

Warranty Coverage

Most BenQ projectors include a limited 3-year manufacturer warranty covering parts and labor.

• New Products: Typically include a 3-year warranty
• Refurbished Products: May include a 1-year warranty
• Laser Light Source: Designed for long-term performance (up to 20,000–30,000 hours depending on usage mode)

Warranty claims must be submitted through the appropriate support channels and may require troubleshooting or inspection.

Dead on Arrival (DOA)

Products reported as defective within 30 days of delivery may qualify for a full replacement. In these cases, shipping is typically covered, and a replacement unit will be issued once the claim is verified.

🚚 Shipping Policy

Order Processing

Orders are typically processed within 1–3 business days after payment confirmation. Once your order has been processed, you will receive a confirmation email with tracking information.

Shipping Timeframes

Delivery times may vary depending on product availability and location, but most orders arrive within 3–7 business days after shipment.

Shipping Methods

Orders are shipped via trusted carriers such as FedEx, UPS, or similar services to ensure safe and reliable delivery.

Tracking Your Order

Once your order ships, you will receive a tracking number via email so you can monitor your delivery in real time.

Shipping Damage

If your order arrives with visible shipping damage:

• Note the damage when signing for delivery (if applicable)
• Take photos immediately
• Contact us within 5–7 business days 

Failure to report damage within this timeframe may affect your eligibility for a replacement.

Manufacturer Fulfillment

Some items may ship directly from the manufacturer or authorized distributor. This helps ensure faster delivery times and product authenticity.