• Optoma ZK420UST Ultra Short-Throw Laser DLP Projector
  • Optoma ZK420UST Ultra Short-Throw Laser DLP Projector
  • Optoma ZK420UST Ultra Short-Throw Laser DLP Projector
  • Optoma ZK420UST Ultra Short-Throw Laser DLP Projector
  • Optoma ZK420UST Ultra Short-Throw Laser DLP Projector
  • Optoma ZK420UST Ultra Short-Throw Laser DLP Projector

Optoma ZK420UST Ultra Short-Throw Laser DLP Projector

SKU: ZK420UST  |  UPC: 796435447588
$3,839.00
In Stock · Free Shipping to Lower 48 States
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Key Features

  • 🎥 True 4K UHD Resolution (3840 × 2160)
  • 🌞 4,200 Lumens High Brightness
  • ⚡ DuraCore Laser Light Source – Up to 30,000 Hours
  • 🔍 Ultra Short Throw Ratio: 0.25:1
  • 📏 Projects a 100” Image from Under 12 Inches Away
  • 🎨 HDR10 & HLG Compatible
  • 🛡️ Maintenance-Free Laser Operation
  • 🔌 HDBaseT 3.0 + HDMI Connectivity

Best For

🎓 Education 🏢 Corporate Collaboration ⛳ Golf Simulators / Immersive 🛍️ Retail / Digital Signage 🏛️ Government

Purchase Orders & Tax-Exempt

We proudly support schools, universities, government agencies, and qualified businesses.

  • Net 30 Purchase Orders
  • Tax-Exempt Sales for Eligible Organizations
  • W-9 Available Upon Request
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Optoma DuraCore ZK420UST 4200-Lumen 4K Ultra Short-Throw Laser DLP Projector

🌟 True 4K Visual Performance

  • 🖥️ CTA-approved True 4K UHD resolution with 8.3 million on-screen pixels

  • 🔍 4× the detail of Full HD and 2× more than competing LCD technology

  • 🌈 Supports HDR10 & Hybrid Log-Gamma (HLG) for enhanced contrast and realism

🔋 DuraCore® Laser Technology

  • ♻️ Up to 30,000 hours of consistent, maintenance-free operation

  • 💡 Laser illumination delivers up to twice the perceived brightness of lamp-based projectors

  • 🛡️ Advanced cooling and dust-resistant design for long-term reliability

📐 Ultra Short-Throw Projection

  • 📺 Project 100"+ images from less than 2 feet away

  • 👥 Reduces shadows and glare—ideal for interactive and collaborative spaces

  • 🧱 Perfect for classrooms, meeting rooms, and immersive installations

🔌 HDBaseT® Connectivity

  • 🧵 Delivers uncompressed video, audio, network, and control over a single CAT cable

  • 📏 Supports distances up to 328 ft (100 m) without signal loss

  • ⚙️ Simplifies installation while reducing cost and complexity

🖧 Optoma Management Suite (OMS)

  • 🛠️ Remote monitoring, diagnostics, and control from a single platform

  • 🚨 Set alerts and broadcast emergency announcements

  • 🧑💼 Designed for enterprise and IT-managed AV environments

🎛️ Third-Party Control Compatibility

  • 🔧 Extensive RS-232 command set

  • 🔌 Supports AMX, Crestron RoomView, and Extron IPLink

  • 📡 Enables seamless integration with existing control systems

🧩 Flexible Installation Features

  • 📐 Four-corner correction for precise image alignment on uneven surfaces

  • 🔄 360° projection—install at any angle or orientation

  • 🕒 24/7 continuous operation support for demanding applications

  • ⚠️ Recommended 30-minute standby every 24 hours for optimal longevity

🌱 Eco-Friendly Design & Packaging

  • ♻️ Up to 45% lower power consumption vs. lamp-based models

  • 📦 Compact packaging allows 2× more units per container, reducing emissions

  • 🧱 Chassis made with up to 50% post-consumer recycled plastics

  • 📦 Packaging contains up to 97% recyclable materials

➕ Additional Features

  • ☀️ Lights-on viewing (no direct sunlight or lights on screen)

  • 🕶️ Full 3D support

  • ⏱️ Auto power-off functionality

  • 🔊 Built-in 15W speaker for integrated audio

Frequently Asked Questions

Is the Optoma ZK420UST the best choice for professional 4K ultra short throw projection?

The Optoma ZK420UST is one of the best high-end options for professional environments where space is limited but visual clarity is non-negotiable. Its laser light source and 4K resolution make it a top recommendation for mission-critical displays.

Optoma

Optoma ZK420UST Ultra Short-Throw Laser DLP Projector

$3,839.00

Brightness

4,200 lumens

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Weight without stand

N/A

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Weight with Stand

N/A

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Duty Cycle

24/7

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Dimensions

(W x D x H): 12.87" x 12.91" x 3.35" (327 x 327.8 x 85 mm).

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Aspect Ratio

N/A

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Content

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Native Resolution

4K UHD (3840x2160)

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Lumens (ANSI)

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Contrast Ratio

N/A

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Throw Distance

N/A

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Lens

N/A

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Inputs

HDMI 2.0 (x2, one with eARC). HDBaseT 4K (x1, shared with control). USB-A (x1, power/service shared).

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Outputs

Audio out 3.5mm (x1).

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Display Technology

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Wireless Networking

N/A

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Speakers

N/A

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Economode

N/A

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Audible Noise

N/A

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Lamp Life

N/A

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Short Throw

N/A

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Aspect Ratio

N/A

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Image Size Diagonal

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Lens Shift

N/A

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Data / Video Signals

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Digital Keystone

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Unit Weight

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Projector Methods

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Dimensions (WxDxH)

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Dimensions (WxDxH)

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Contrast Ratio

500,000:1

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Viewing Angle

N/A

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Response Time

N/A

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Sound Output

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Screen Size

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Monitor Configuration

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Display Orientation

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WiFi

N/A

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Communication Port

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Refresh Rate

N/A

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General

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VESA Pattern

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TAA Compliant

N/A

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PDF Documents

N/A

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Diagonal Size

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Dimensions

(W x D x H): 12.87" x 12.91" x 3.35" (327 x 327.8 x 85 mm).

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Aspect Ratio

N/A

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Sensor

N/A

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Resolution

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Signal Sysyetm

N/A

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Signal To Noise Ratio

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Gain

N/A

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Shutter Speed Range

N/A

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Exposure Control

N/A

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White Balance

N/A

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Image Stabilization

N/A

N/A

Image Flip

N/A

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ICR

N/A

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Sync

N/A

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Output

N/A

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Audio Input

N/A

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Audio

N/A

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Camera Control

N/A

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Focal Length

N/A

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Minimum Object Distance

N/A

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Pan Angle

N/A

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Tilt Angle

N/A

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Pan Speed

N/A

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Tilt Speed

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Presets

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Operating Temperature

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Power

N/A

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Power Consumption

N/A

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Minimum Illumination

N/A

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Optical Zoom

N/A

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TAA Compliant

N/A
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