Optoma ZK521ST 4K UHD Short Throw Laser Golf Simulator Projector (5,100 Lumens)
£2,424.99 inc. VAT
Experience True 4K Immersion with the Optoma ZK521ST
Take your indoor golf setup to the next level with the Optoma ZK521ST, a purpose-built 4K laser projector designed to tackle the unique demands of golf simulators.
Vibrant Brightness for Any Room
Stop playing in the dark. With a powerful 5,000 ANSI lumens of DuraCore laser brightness, the ZK521ST effortlessly pushes light through impact screens. Whether you are running bright LED spotlights for your launch monitor, keeping the garage door open, or installing in a bright commercial venue, your fairways and greens will remain vivid and washout-free.
True 4K UHD Clarity
Displaying 8.3 million on-screen pixels, the ZK521ST delivers True 4K UHD (3840 x 2160) resolution. Watch individual blades of grass, tree lines, and simulator overlays render with absolute precision. Optoma has even included a dedicated Golf Sim Picture Mode—developed alongside color experts at GSPro—to guarantee vibrant blue skies and natural grass tones right out of the box, without tedious manual calibration.
Shadow-Free Short Throw Setup
With a fixed 0.79:1 short-throw lens, this projector easily fills a standard 10-foot wide impact screen from just 8 feet away. This allows you to mount the unit safely out of the golfer’s swing path while completely eliminating disruptive body shadows on the screen.
Maintenance-Free Laser Reliability
Say goodbye to expensive bulb replacements. The ZK521ST is powered by a sealed, dust-resistant DuraCore laser engine rated for up to 30,000 hours of continuous use. It also boasts ultra-fast responsiveness for real-time ball flight, offering input lag as low as 8.4ms so your ball tracer reacts the instant you strike.
Frequently Asked Questions — Optoma ZK521ST Golf Sim Setup
What size room or mounting distance do I need for the Optoma ZK521ST?
Equipped with a dedicated 0.79:1 short-throw lens, the ZK521ST is designed to project a massive image from a short distance. For a standard 10ft wide impact screen (16:9), the projector mounts roughly 8 feet (2.4m) away. This allows you to install the projector safely behind or above the golfer, keeping the hitting area clear and eliminating player shadows on the screen.
Can I use the Optoma ZK521ST with ambient room lighting turned on?
Absolutely. The ZK521ST produces a massive 5,000 ANSI Lumens of brightness alongside a 300,000:1 dynamic contrast ratio. This exceptional output allows you to keep your simulator bay lights, spotlights, or garage windows open without washing out the projection. You will get vibrant, highly visible course graphics even in well-lit environments.
Does the Optoma ZK521ST support 4K resolution on simulator software like GSPro?
Yes, it delivers True 4K UHD resolution (3840 x 2160) via dual HDMI 2.0 ports. It renders exactly 8.3 million pixels on your screen, meaning you get razor-sharp fairways, distinct blades of grass, and crystal-clear simulator data on software like GSPro, Trackman Performance Studio, E6 Connect, and FSX Play. It even features a purpose-built Golf Sim Mode tuned specifically in collaboration with color experts at GSPro.
How responsive is the projector for real-time ball flight tracking?
The Optoma ZK521ST handles high-speed simulator data effortlessly, delivering an input lag of just 16.7ms at 4K/60Hz and an ultra-low 8.4ms at 1080p/120Hz. This ensures that the moment your club strikes the ball, the on-screen tracer reacts instantly with zero noticeable delay.
Will I ever need to change a projector bulb?
No. The ZK521ST utilizes an airtight, eco-friendly DuraCore Laser light source instead of a traditional lamp. This sealed laser engine is rated for up to 30,000 hours of maintenance-free operation in Eco mode. You could run your simulator for 4 hours every single day for over 20 years without experiencing any drop in brightness or needing a replacement.
What comes in the Golf Sim Solutions Optoma ZK521ST bundle?
Every Optoma ZK521ST order from Golf Sim Solutions includes the brand-new 4K laser projector unit, a remote control with batteries, a UK AC power cable, quick start documentation, full manufacturer warranty coverage (2-year projector, 5-year light source), and free UK courier delivery.
Key Features
- True 4K UHD Resolution (3840 x 2160): Delivers exactly 8.3 million pixels for razor-sharp course textures and crisp sim data.
- Ultra-Bright 5,000 ANSI Lumens: Keeps the image vibrant in ambient lighting and commercial bays.
- 0.79:1 Short-Throw Lens: Projects massive, shadow-free images from tight distances (fills a 10ft screen from ~8ft away).
- DuraCore Laser Technology: Enjoy up to 30,000 hours of maintenance-free, lamp-free operation.
- Dedicated Golf Sim Mode: Factory-tuned color profiles optimized specifically for GSPro and other premium simulator software.
- Ultra-Low Input Lag: 16.7ms at 4K/60Hz and 8.4ms at 1080p/120Hz ensures immediate, real-time ball flight tracking.
- Smart Fit Auto Alignment: Use the Optoma smartphone app to instantly adjust geometry, 4-corner correction, and screen alignment without touching a ladder.
- Compact & Eco-Friendly: 34% smaller than previous models and built with 50% post-consumer recycled materials.
Specifications
| Display Technology | Single-chip DLP |
|---|---|
| Native Resolution | 4K UHD (3840 × 2160) |
| Brightness | 5,000 ANSI Lumens |
| Contrast Ratio | 300,000:1 Dynamic |
| Light Source | DuraCore Laser |
| Light Source Life | Up to 30,000 hours (Eco mode) |
| Throw Ratio | 0.79:1 (Fixed Short-Throw) |
| Lens Shift | Vertical 104% to 125% |
| Input Lag | 16.7ms (4K/60Hz) / 8.4ms (1080p/120Hz) |
| Built-in Speaker | 1 x 15W |
| Connectivity | 2x HDMI 2.0, 2x USB-A 2.0, RJ45 LAN, RS232, 12V Trigger, 3.5mm Audio Out |
| Dimensions (W x D x H) | 274 x 216 x 114 mm |
| Weight | 3.0 kg (6.6 lbs) |
What’s in the Box?
- Optoma ZK521ST 4K Laser Projector
- UK AC Power Cord
- Remote Control (Includes 2x AAA Batteries)
- Quick Start User Manual
Shipping & Delivery Policy
Last updated: 24/10/2025
This Shipping & Delivery Policy forms part of our Terms and Conditions and should be read alongside them.
By placing an order with us, you agree to the terms outlined below.
UK DELIVERY ONLY
- We currently deliver within the United Kingdom only. We do not offer international shipping.
DELIVERY CHARGES
- Free UK delivery on orders of £60 or more
- £5 UK delivery charge on orders under £60
- Delivery charges are calculated automatically at checkout.
DELIVERY TIMES
- We aim to offer next-day delivery on all eligible UK orders. While we make every effort to meet this timeframe, delivery times are estimates and may be affected by circumstances beyond our control.
NEXT-DAY DELIVERY – TERMS & CONDITIONS
- Next-day delivery is subject to availability and the following conditions:
Order Cut-Off Time
- Orders must be placed before 14:30 (UK time), Monday to Friday to qualify for next-day delivery. Orders placed after this time will be processed the next working day.
Weekends & UK Public Holidays
- Orders placed on weekends or UK public holidays will be dispatched on the next working day.
Remote or Outlying UK Postcodes
- Certain remote, rural, or offshore postcodes may require longer delivery times and may not qualify for next-day delivery.
Stock Availability
- Items that are out of stock, customised, or made-to-order are not eligible for next-day delivery.
Payment & Security Checks
- Orders requiring additional verification may be delayed.
Courier Delays
- We use reputable UK courier services; however, delays within courier networks are outside our control.
Adverse Weather & Force Majeure
- Delays caused by extreme weather, strikes, or other events beyond our control are not our liability.
Incorrect Address Details
- Please ensure delivery details are correct at checkout. Incorrect or incomplete information may result in delays or failed delivery.
Busy Trading Periods
- During peak periods (including Black Friday and Christmas), delivery times may be extended due to high order volumes.
- We reserve the right to amend, suspend, or withdraw the next-day delivery service at any time without prior notice.
DELIVERY DELAYS
- If your order is delayed, we will notify you as soon as possible and provide an updated estimated delivery date.
- This does not affect your statutory rights under UK consumer law.
CONTACT US
- If you have any questions about this policy, you can contact us at:
Phone: 01472 476203
Email: sales@golfsimsolutions.co.uk