Optoma ZK420UST
UHD, 4200 lm, 0.25:1More than 10 pieces in stock at supplier
Product details
The Optoma ZK420UST is a state-of-the-art ultra-short-throw projector designed for a variety of applications, particularly in business environments. With an impressive brightness of 4200 ANSI lumens and a native UHD 4K resolution (3840x2160), this projector delivers sharp images and vibrant colors that stand out even in bright settings. The DLP technology ensures high image quality and reliability. The ZK420UST is equipped with a durable laser light source that offers a lifespan of up to 30,000 hours, making it a cost-effective choice for long-term use. Thanks to its fixed throw ratio of 0.25:1, the projector can be placed at a very short distance from the projection surface, making it ideal for smaller rooms. Support for HDR videos and the ability to display 3D content significantly expand the device's applications.
- Brightness of 4200 ANSI lumens for clear projections in bright environments
- Native UHD 4K resolution for sharp images
- Durable laser light source with up to 30,000 hours of lifespan
- Ultra-short-throw projector with a throw ratio of 0.25:1
- Support for HDR videos and 3D content.
Projector type | 4K projector, Laser projector, Ultra-short distance projector |
Projector technology | DLP |
Equipment + Functions | 3D |
Image resolution | 3840 x 2160 Pixels |
Contrast ratio | 1800:1 |
Max. Projection area (inch) | 150" |
Throw ratio | 0.25:1 |
Item number | 57339951 |
Manufacturer | Optoma |
Category | Projector |
Manufacturer no. | E3P7NK1E111 |
Release date | 2.4.2025 |
External links |
Colour | White |
Projector type | 4K projector, Laser projector, Ultra-short distance projector |
Projector technology | DLP |
Focus type | Fixed |
Wireless transmission | Wi-Fi |
Equipment + Functions | 3D |
Aspect ratio | 16:9, 4:3 |
Display resolution | UHD |
Image resolution | 3840 x 2160 Pixels |
4K Technology | 4K UHD through 4x XRP technology (Native resolution: 1920 x 1080) |
Dynamic range | HDR, HLG |
Contrast ratio | 1800:1 |
Brightness (ANSI) | 4200 lm |
Throw ratio type | Fixed |
Max. Projection area (inch) | 150" |
Horizontal scanning area | 15 - 140 kHz |
Vertical scanning range | 24 - 240 Hz |
Throw ratio | 0.25:1 |
Min. throw ratio | 0.25:1 |
Max. throw ratio | 0.25:1 |
Zoom type | Fixed |
Projection distance | 0.614 - 0.894 m |
Min. projection distance (metres) | 0.61 m |
Max. projection distance (metres) | 0.89 m |
Video connections | HDMI (2x) |
Audio Connections | Audio Out (1x) |
Data ports | RS-232 (1x) |
USB ports | USB-A |
Exact USB ports | USB-A 1.0 (1x) |
Network connections | RJ45 (1x) |
Max. noise level | 34 dB |
Noise level in power saving mode | 29 dB |
Bulb type | Laser diode |
Lamp technology | Laser |
Lamp service life | 30000 h |
Power supply | Electrical connection |
Conventional energy consumption | 250 W |
Power consumption (standby) | 0.50 W |
CO₂ emissions | 29.26 kg |
Climate contribution | CHF 0.70 |
Scope of delivery | Remote control |
Length | 327.80 mm |
Width | 327 mm |
Height | 85 mm |
Weight | 4.50 kg |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Projector» category have a defect within the first 24 months?
Source: Digitec Galaxus- 11.Wanbo2.3 %
- 13.La Vague2.4 %
- 13.Optoma2.4 %
- 15.LG2.6 %
- 15.XGIMI2.6 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- 11.Acer6 days
- 12.Epson7 days
- 12.Optoma7 days
- 12.Viewsonic7 days
- 15.Hisense9 days
Return rate
How often is a product of this brand in the «Projector» category returned?
Source: Digitec Galaxus- 9.Hisense5.3 %
- 10.Epson5.4 %
- 11.Optoma6.7 %
- 12.Ferryxpress6.9 %
- 12.LG6.9 %