Optoma ZK431ST 4K UHD - Short Throw Laser Projector for Golf Simulators
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True 4K UHD detail, short-throw installation and long-life laser performance for premium indoor golf.
The Optoma ZK431ST combines a sharp 3840 × 2160 image, 4,100-lumen output and a compact 0.496:1 fixed short-throw lens. Selected by Golf and Greens for space-conscious simulator rooms, it creates a large, detailed image while mounting much closer to the impact screen than a conventional projector. With responsive 4K performance, a DuraCore laser light source and an IP6X-rated optical engine, it suits premium home simulators, coaching studios and selected commercial bays.
⛳ Why Choose the Optoma ZK431ST?
- True 4K UHD 3840 × 2160 for sharp course textures and readable data
- 4,100-lumen laser output for indoor rooms with controlled lighting
- 0.496:1 fixed short-throw lens for a large image from a short distance
- Low input lag: approx. 16.7 ms at 4K/60Hz and 8.6 ms at 1080p/120Hz
- DuraCore laser rated up to 30,000 hours (Eco)
- IP6X-rated optical engine, 24/7 and 360-degree operation
- RJ45, RS232 and 12V trigger for professional control
🎯 Built for Space-Conscious Premium Golf Simulators
The fixed 0.496:1 short-throw lens lets the ZK431ST project a wide image from a short lens-to-screen distance, reducing player shadows, keeping the unit away from the hitting area and preserving valuable room depth — all while delivering true 4K detail for premium home and professional installations.
🖥️ Detailed 4K Visuals for Indoor Golf
With more than eight million pixels on screen, fairways, greens, ball-flight graphics and performance data appear crisp and easy to read, particularly when paired with a 4K-capable simulator computer and a high-quality impact screen. HDR and HLG compatibility help preserve detail across bright skies and shaded areas.
⚡ Responsive Shot Feedback
Low display delay helps the projected ball flight appear quickly after impact for a natural connection between swing and simulator response — approx. 16.7 ms at 4K/60Hz and 8.6 ms at 1080p/120Hz. For the lowest latency, place the projector accurately and minimise digital correction.
🛡️ Long-Life DuraCore Laser
The DuraCore laser is rated up to 30,000 hours in Eco mode, removing routine lamp replacements. Instant start-up, consistent operation and a sealed IP6X optical engine make it suitable for regular home practice and demanding professional use.
📐 Installation and Room Fit
The ZK431ST is a fixed short-throw projector (0.496:1) with no optical zoom or lens shift. As an initial guide, lens-to-screen distance = projected image width × 0.496 (a 3.00 m-wide image needs approx. 1.49 m). Final positioning must also account for image height, native offset, screen ratio, projector body, ceiling height, enclosure structure and hitting position, so confirm full room geometry before drilling.
Not sure it fits your simulator room? Contact Golf and Greens and we can validate the projector position based on your screen size, room depth, ceiling height and simulator layout.
🔌 Connectivity for Simulator Setups
Control and integration options include RJ45 network control, RS232 system control and a 12V trigger, plus 2 x HDMI 2.0 inputs — suitable for both home and professionally managed golf simulator installations.
⚙️ Product Features
- True 4K UHD DLP short-throw laser projector
- 4,100-lumen DuraCore laser light source, up to 30,000 hours (Eco)
- 0.496:1 fixed short-throw lens
- Low input lag for responsive shot feedback
- IP6X-rated optical engine, 24/7 and 360-degree operation
- Four-corner correction and ± 15° keystone
- RJ45, RS232 and 12V trigger control
📊 Key Specifications
| Model | Optoma ZK431ST |
| Projector type | 4K UHD short-throw laser projector |
| Display technology | DLP |
| Native resolution | 4K UHD 3840 × 2160 |
| Brightness | 4,100 lumens |
| Contrast ratio | 300,000:1 (dynamic 2,000,000:1) |
| Native aspect ratio | 16:9 (also 4:3, 16:10, Full, Auto, Native) |
| Light source | DuraCore laser, up to 30,000 hours (Eco) |
| Throw ratio | 0.496:1 fixed short throw |
| Projection distance | Approx. 0.4 m to 3.3 m |
| Projected image size | Approx. 30 to 300 inches diagonal |
| Optical zoom / lens shift | None (fixed lens) |
| Keystone / geometry | Horizontal and vertical ± 15°, four-corner correction |
| HDR compatibility | HDR and HLG |
| Input lag | Approx. 16.7 ms at 4K/60Hz, 8.6 ms at 1080p/120Hz |
| Video inputs | 2 x HDMI 2.0 |
| Control connections | RJ45, RS232, 12V trigger |
| Noise level | Approx. 29–35 dB |
| Dust resistance | IP6X-rated optical engine |
| Dimensions | Approx. 274 × 216 × 114 mm |
| Net weight | Approx. 2.9 kg |
| Colour | White |
✅ Recommended For
- Premium home golf simulators with controlled lighting
- Coaching studios and selected commercial golf bays
- Space-conscious rooms needing short-throw installation
- Setups pairing a 4K simulator computer with a quality impact screen
📦 What’s Included
- Optoma ZK431ST 4K UHD short-throw laser projector
- AC power cable
- Remote control
- 2 x AAA batteries
- Quick-start documentation
🏌️ Why Buy Your Golf Simulator Projector from Golf and Greens?
A projector can meet every specification on paper and still be wrong for the room. Screen width, screen height, image ratio, ceiling height, enclosure depth, hitting position, ambient light and cable routing all shape the final result. Golf and Greens can help you match the Optoma ZK431ST with the right impact screen, golf simulator enclosure, mount and cabling for a coherent indoor golf setup.
- Specialist advice for home and commercial golf simulator projects
- Throw-distance and mounting-position guidance
- Compatibility checks based on your room and screen dimensions
- Support in English and French, with European delivery
Explore the full golf simulator projector collection.
💡 Need Help Choosing the Right Projector?
Every golf simulator room is different. Before ordering, check your screen width, available throw distance, ceiling height and installation layout. Contact Golf and Greens with your room dimensions and we will help you choose the right projector for your golf simulator project.
❓ Frequently Asked Questions
Is the Optoma ZK431ST suitable for golf simulators?
Yes. Its true 4K UHD resolution, 4,100-lumen laser output, fixed short-throw lens and low input lag make it a strong option for premium home simulators, coaching studios and selected commercial bays with controlled lighting.
Is it short-throw or ultra-short-throw?
It is a fixed short-throw projector (0.496:1). It mounts much closer to the screen than a standard projector but should not be placed immediately beside the screen like an ultra-short-throw unit.
How far should it be from the screen?
Multiply the projected image width by 0.496 for an initial estimate (a 3.00 m image needs approx. 1.49 m). Also account for image height, aspect ratio, native offset, projector size and ceiling structure.
Does it have optical zoom or lens shift?
No. The ZK431ST has a fixed lens, so accurate measurement and physical alignment are essential before installation.
Can it display golf simulator software in 4K?
Yes, when connected to a compatible 4K simulator computer via HDMI and configured for 3840 × 2160 output.
Can Golf and Greens confirm whether it fits my room?
Yes. Provide your screen width and height, room depth, ceiling height, hitting position and preferred image ratio and we will assess the throw distance for your setup.