ZK431ST
Optoma ZK431ST: Compact 4K UHD 4,100 Lumen Short Throw Laser Business and Education Projector
The Optoma ZK431ST makes True 4K UHD short throw projection accessible for budget-conscious education and corporate buyers. At 4,100 lumens, the ZK431ST delivers bright, vivid visuals in classrooms and conference rooms with moderate ambient light. DuraCore laser technology provides up to 30,000 hours of maintenance-free operation, eliminating the cost and disruption of lamp replacements. Four-corner correction, keystone adjustment, 360° projection capability, and Optoma Smart App compatibility make installation and alignment straightforward.
Crisp 4K from wall to wall: Native 4K UHD (3840×2160) makes text, data, and imagery sharp and readable across screen sizes up to 300"
• Project big from tight spaces: 0.496:1 short throw lens fills the screen from just 1.3 feet away—no more crowded rooms or presenter shadows
• Bright enough for real classrooms: 4,100 lumens keep images clear and vibrant in rooms with controlled to moderate ambient light
• No lamps. No maintenance. 30,000 hours: DuraCore laser technology means zero replacement costs and no unexpected downtime
• Install anywhere: Four-corner correction, ±15° keystone adjustment, and 360° projection flexibility handle virtually any room layout
• Smart setup from your phone: The Optoma Smart Control App guides screen alignment and gives full projector control from a mobile device
Crisp 4K from wall to wall: Native 4K UHD (3840×2160) makes text, data, and imagery sharp and readable across screen sizes up to 300"
• Project big from tight spaces: 0.496:1 short throw lens fills the screen from just 1.3 feet away—no more crowded rooms or presenter shadows
• Bright enough for real classrooms: 4,100 lumens keep images clear and vibrant in rooms with controlled to moderate ambient light
• No lamps. No maintenance. 30,000 hours: DuraCore laser technology means zero replacement costs and no unexpected downtime
• Install anywhere: Four-corner correction, ±15° keystone adjustment, and 360° projection flexibility handle virtually any room layout
• Smart setup from your phone: The Optoma Smart Control App guides screen alignment and gives full projector control from a mobile device
ZK521ST
Optoma ZK521ST: Compact 4K UHD 5,000 Lumen Short Throw Laser Business and Education Projector
The Optoma ZK521ST short throw projector delivers 5,000 lumens of brilliant True 4K UHD sharp visuals in a compact short-throw design, enabling large, shadow-free projections even in limited spaces. Engineered for 24/7 reliability, it offers a low-maintenance, energy-efficient laser solution with centralized IT management and smart control for corporate, education, or commercial uses.
Crisp 4K from wall to wall: True 4K UHD (3840×2160) makes text, data, and imagery sharp and readable across screen sizes up to 300"
• Project big from tight spaces: 0.79:1 short throw lens fills the screen from just 5.8 feet away
• Sustainable design: 50% recycled metal and PCR materials
• Optoma Management Suite (OMS): Enables centralized IT monitoring and control across multiple networked devices
• Optoma Smart Control App: Intelligent screen alignment and remote control directly from your mobile device
Crisp 4K from wall to wall: True 4K UHD (3840×2160) makes text, data, and imagery sharp and readable across screen sizes up to 300"
• Project big from tight spaces: 0.79:1 short throw lens fills the screen from just 5.8 feet away
• Sustainable design: 50% recycled metal and PCR materials
• Optoma Management Suite (OMS): Enables centralized IT monitoring and control across multiple networked devices
• Optoma Smart Control App: Intelligent screen alignment and remote control directly from your mobile device
ZK431ST-B
Optoma Golf Sim ZK431ST-B — True 4K UHD Short Throw 4,100 Lumens Laser Projector
Tee Off. Anytime, Anywhere with Optoma's ZK431ST-B combining true 4K clarity, compact design and a short-throw lens to make golf simulator installation easier in space-constrained rooms.
Tighter throw for smaller sim rooms: The 0.496:1 throw ratio is tighter than typical short throw designs, letting you mount the projector closer to the screen
• True 4K resolution: means sharp fairways, readable simulator overlays, and detailed course textures
• Bright enough for lights-on play: At 4,100 lumens* for home golf simulators or commercial entertainment or training spaces. *Brightness measured in accordance with ISO 21118
• Zero-maintenance laser: DuraCore laser technology delivers consistent brightness across 30,000 hours with no lamp replacements
• Four-corner correction and Smart Control App: Easy to dial in a perfect fit on any screen size from 36" to 300"
Tighter throw for smaller sim rooms: The 0.496:1 throw ratio is tighter than typical short throw designs, letting you mount the projector closer to the screen
• True 4K resolution: means sharp fairways, readable simulator overlays, and detailed course textures
• Bright enough for lights-on play: At 4,100 lumens* for home golf simulators or commercial entertainment or training spaces. *Brightness measured in accordance with ISO 21118
• Zero-maintenance laser: DuraCore laser technology delivers consistent brightness across 30,000 hours with no lamp replacements
• Four-corner correction and Smart Control App: Easy to dial in a perfect fit on any screen size from 36" to 300"
ZK521ST-B
Optoma Golf Sim ZK521ST-B — True 4K UHD Short Throw 5,000 Lumens Laser Projector
Tee Off. Anywhere, Anytime with Optoma's ZK521ST-B featuring 5,000 lumens of laser-powered brightness in a short throw design built for golf simulators, immersive environments, and always-on installations. Maintenance-free with a 30,000-hour DuraCore laser source.
Golf Sim Short Throw Lens: Keeps the projector closer to the impact screen, reducing shadows and minimizing the risk of club and ball interference
• Native 4K UHD clarity: True 4K resolution renders sharper fairways, clearer greens, and legible simulator data for a more convincing playing experience
• High ambient light performance: At 5,000 lumens*, the image stays vivid for home golf simulators or commercial entertainment or training spaces. *Brightness measured in accordance with ISO 21118
• Maintenance-free laser: DuraCore laser technology eliminates lamp replacements entirely. Consistent brightness across the full 30,000-hour lifespan
• Flexible installation: Geometric correction, horizontal and vertical keystone (±15°), and the Optoma Smart Control App enable precise alignment on any screen size from 30" to 300" diagonal
Golf Sim Short Throw Lens: Keeps the projector closer to the impact screen, reducing shadows and minimizing the risk of club and ball interference
• Native 4K UHD clarity: True 4K resolution renders sharper fairways, clearer greens, and legible simulator data for a more convincing playing experience
• High ambient light performance: At 5,000 lumens*, the image stays vivid for home golf simulators or commercial entertainment or training spaces. *Brightness measured in accordance with ISO 21118
• Maintenance-free laser: DuraCore laser technology eliminates lamp replacements entirely. Consistent brightness across the full 30,000-hour lifespan
• Flexible installation: Geometric correction, horizontal and vertical keystone (±15°), and the Optoma Smart Control App enable precise alignment on any screen size from 30" to 300" diagonal
GT2400HDR
Short Throw Full HD 1080p Laser Home Projector
With an incredibly bright 4,200 lumens* and short throw lens, the Optoma GT2400HDR brings cinematic experiences to space-constrained environments. Enjoy a 100” image from less than four feet away from your screen or projection surface, allowing easy placement in a bedroom or on a coffee table. The GT2400HDR also features gaming mode for low input latency – perfect for FPS and Racing games along with sports simulation that rely on rapid reactions.
For golf enthusiasts, transform any space into your perfect golf sim setup with the GT2400HDR, offering big-screen impact even in compact settings - perfect for garages, basements, or purpose-built bays.
Optoma Smart Control App for IOS and Android can be used for projector setup, control various aspects of the projector (instead of reaching for the remote control) or instantly fine tune any image with geometry connection using the Smart Fit feature. Optoma Smart Control also allows for control of basic functions such as power-on and power-off along with accessing vital settings such as image settings, geometry correction, power management, and more. Optoma Smart Control supports Rj-45 and Bluetooth.*
*Optoma Smart Control App will be available by end of June 2026.
For golf enthusiasts, transform any space into your perfect golf sim setup with the GT2400HDR, offering big-screen impact even in compact settings - perfect for garages, basements, or purpose-built bays.
Optoma Smart Control App for IOS and Android can be used for projector setup, control various aspects of the projector (instead of reaching for the remote control) or instantly fine tune any image with geometry connection using the Smart Fit feature. Optoma Smart Control also allows for control of basic functions such as power-on and power-off along with accessing vital settings such as image settings, geometry correction, power management, and more. Optoma Smart Control supports Rj-45 and Bluetooth.*
*Optoma Smart Control App will be available by end of June 2026.
ZH451ST
High Brightness Golf Sim and Corporate Short Throw 1080p Full HD Laser Projector
The ZH451ST is Optoma's most compact Full HD 1080p DuraCore laser projector to date.
Built for immersive simulator bays and conference rooms with tight installation spaces, the ZH451ST's short-throw design lets you place it just feet from the wall — keeping spaces open and presentations impact-ready. RS232 control and a built-in speaker round out a setup that's as practical as it is powerful.
Powered by DuraCore laser technology, it delivers 4,200 lumens* of vivid, consistent image performance for up to 30,000 hours of maintenance-free, mercury-free operation. An external power supply further enhances reliability and energy efficiency.
Built for immersive simulator bays and conference rooms with tight installation spaces, the ZH451ST's short-throw design lets you place it just feet from the wall — keeping spaces open and presentations impact-ready. RS232 control and a built-in speaker round out a setup that's as practical as it is powerful.
Powered by DuraCore laser technology, it delivers 4,200 lumens* of vivid, consistent image performance for up to 30,000 hours of maintenance-free, mercury-free operation. An external power supply further enhances reliability and energy efficiency.
