Optoma ZK420UST
4K, 4200 lm, 0.25:1Only 1 piece in stock at third-party 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 features a durable laser light source with 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 very close to the projection surface, making it ideal for smaller spaces. The support for HDR videos and the capability to display 3D content significantly expand the device's versatility.
- 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 technology | DLP |
Contrast ratio | 1800 :1 |
Throw ratio | 0.25:1 |
Equipment + Functions | 3D |
Image resolution | 3840 x 2160 Pixels |
Max. Projection area (inch) | 150" |
Item number | 57339951 |
Manufacturer | Optoma |
Category | Projector |
Manufacturer no. | E3P7NK1E111 |
Release date | 2.4.2025 |
Colour | White |
Projector technology | DLP |
Focus type | Fixed |
Equipment + Functions | 3D |
Aspect ratio | 16:9 |
Display resolution | 4K |
Image resolution | 3840 x 2160 Pixels |
4K Technology | Native Ultra-HD |
Dynamic range | 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 (metres) | 0.614 - 0.894 |
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 |
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 | USB power delivery |
Conventional energy consumption | 250 W |
CO₂-Emission | |
Climate contribution |
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- 17.Hisense2.8 %
- 17.Xiaomi2.8 %
- 19.Optoma3.1 %
- 20.BenQ3.2 %
- 21.Viewsonic3.3 %
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- 7.PhoneLook4 days
- 8.Acer5 days
- 9.Optoma6 days
- 10.LG8 days
- 11.Epson10 days
Return rate
How often is a product of this brand in the «Projector» category returned?
Source: Digitec Galaxus- 8.LG5.6 %
- 9.Ferryxpress5.8 %
- 10.Optoma6.1 %
- 11.Wanbo6.3 %
- 12.Xiaomi6.4 %