Ultra-Short Mounting
A 0.496:1 throw ratio places the projector closer to the screen, helping reduce shadows and fit smaller bays.
Optoma ZK431ST-B 4100 Lumen 4K UHD Short Throw Laser Golf Simulator Projector
Regular price
$1,799.00
Sale price
$1,799.00
Regular price
Unit price
Sale
Estimated Handling Time
1-2 Days, Free Shipping at $100
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Optoma ZK431ST-B 4100 Lumen 4K UHD Short Throw Laser Golf Simulator Projector
Regular price
$1,799.00
Sale price
$1,799.00
Regular price
Unit price
Overview
Shipping and Returns
Optoma Golf Sim | True 4K short throw for tighter sim rooms
Optoma Β· Golf Simulator ProjectorsOptoma ZK431ST-B 4100 Lumen 4K UHD Short Throw Laser Golf Simulator Projector
The ZK431ST-B is Optoma's compact 4K UHD laser projector built for golf simulators where space is tight. A 0.496:1 throw ratio lets it sit closer to the impact screen than most short throw models, while 4,100 lumens, a dedicated Golf Sim picture mode and a 30,000-hour DuraCore laser keep courses bright, natural and maintenance free.
OptomaBuilt for golf simulation
Real product detailsSpecs from Optoma's official product page and datasheet
Grater Golf supportProjector placement help
Why golfers choose it
Ultra-Short Mounting, and more.
True 4K Detail
3840 x 2160 resolution renders sharp fairways, crisp yardage overlays and detailed course textures.
Lamp-Free Laser
DuraCore laser delivers consistent brightness for up to 30,000 hours with no lamps to replace.
Product details
Specs at a glance
| Brand | Optoma |
|---|---|
| Model | ZK431ST-B (black) |
| Technology | DLP, DuraCore laser |
| Resolution | 4K UHD (3840 x 2160) |
| Brightness | 4,100 lumens (ISO 21118) |
| Contrast | 300,000:1 native, 2,000,000:1 dynamic |
| Throw ratio | 0.496:1 |
| Image size | 30" to 300" |
| Projection distance | 12.99" to 129.92" |
| Offset | 114% |
| Keystone | H/V +/-15Β°, four-corner |
| Input lag | 16.7 ms at 4K/60Hz, 8.6 ms at 1080p/120Hz |
| Inputs | 2 x HDMI 2.0, VGA in |
| Outputs | 2 x USB-A, 3D sync, 3.5mm audio |
| Control | RJ45, RS232, 12V trigger |
| Speaker | 15W |
| Laser life | 30,000 hours (Eco) |
| Noise | 29 dB(A) |
| Power | 178W bright, 125W eco, β€0.5W standby |
| Net weight | 6.3 lb (2.9 kg) |
| Dimensions | 216 x 274 x 108.5 mm without feet |
Key features
- 0.496:1 throw ratio for mounting close to the screen in smaller rooms
- True 4K UHD resolution with 4,100 lumens for lights-on play
- Golf Sim picture mode tunes skies, shadows and grass for realistic courses
- DuraCore laser rated up to 30,000 hours with instant on/off
- Smart Control app with Smart Fit auto alignment, four-corner and keystone correction
- 360Β° and portrait projection, 24/7 operation, OTA firmware updates
- Low input lag down to 8.6 ms at 1080p/120Hz
Who it suits
A strong fit for home and commercial golf simulator bays with limited depth, where the projector needs to sit close to the screen. Its brightness handles rooms with some ambient light, and the compact chassis works with ceiling or floor mounting. Tell us your room width, depth and ceiling height and we will confirm placement and image size before you buy.
Product questions
Frequently asked questions
How close to the screen does it mount?
With a 0.496:1 throw ratio it projects roughly 2 feet of image width for every foot of distance. Optoma lists a projection distance range of 12.99" to 129.92" for images from 30" to 300".
Does it work with golf simulator software?
Yes. It includes a dedicated Golf Sim picture mode and connects over HDMI 2.0 to your simulator PC. Input lag is 16.7 ms at 4K/60Hz and 8.6 ms at 1080p/120Hz.
What comes in the box?
AC power cord, remote control, two AAA batteries and a quick start guide. Mounts and cables are sold separately.
Grater Golf support
Not sure this projector fits your room?
Send us your room dimensions, screen size and enclosure plans, and weβll confirm throw distance and the right Optoma model for your bay.
Ask Grater GolfShipping & Returns
Free standard shipping on most orders $100+ within the contiguous U.S. Eligible items may be returned within 30 days. Custom, modified, cut, installed, and made-to-order products may be final sale.