Optoma ZK420UST

UHD, 4200 lm, 0.25:1
Delivered between Thu, 24.7. and Tue, 5.8.
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Product details

The Optoma ZK420UST is a state-of-the-art ultra-short-throw projector designed for a variety of applications, particularly in business settings. 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 environments. 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 very close to the projection surface, making it ideal for smaller rooms. The support for HDR videos and the ability 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.

Key specifications

Projector technology
DLP
Contrast ratio
1800 :1
Throw ratio
0.25:1
Equipment + Functions
3DRemote control
Max. Projection area (inch)
150"
Item number
57339951

General information

Manufacturer
Optoma
Category
Projector
Manufacturer no.
E3P7NK1E111
Release date
2.4.2025

Colour

Colour
White

Projector properties

Projector technology
DLP
Focus type
Fixed
Equipment + Functions
3DRemote control

Projector display

Aspect ratio
16:9
Display resolution
UHD
4K Technology
Native Ultra-HD
Dynamic range
HLG
Contrast ratio
1800 :1
Brightness (ANSI)
4200 lm
Projection ratio
Variable
Max. Projection area (inch)
150"

Image positioning

Min. throw ratio
0.25 :1
Max. throw ratio
1800 :1
Zoom type
Fixed
Min. projection distance (metres)
0.61 m
Max. projection distance (metres)
0.89 m

Connections

Video connections
HDMI (2x)
Network connections
RJ45 (1x)

Noise emission

Max. noise level
34 dB
Noise level in power saving mode
29 dB

Lamp properties

Lamp technology
Laser
Lamp service life
30000 h

Power supply

Conventional energy consumption
250 W

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Length
327.80 mm
Width
327 mm
Height
85 mm
Weight
4.50 kg

30-day right of return
24 Months Warranty (Bring-in)

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Goes with

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
  • 18.BenQ
    3.1 %
  • 19.Xiaomi
    3.2 %
  • 20.Optoma
    3.4 %
  • 21.Viewsonic
    3.5 %
  • 22.Philips
    3.6 %

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
  • 5.Wanbo
    3 days
  • 6.Samsung
    4 days
  • 7.Optoma
    5 days
  • 7.PhoneLook
    5 days
  • 9.Acer
    7 days

Return rate

How often is a product of this brand in the «Projector» category returned?

Source: Digitec Galaxus
  • 6.BenQ
    5.2 %
  • 6.Ferryxpress
    5.2 %
  • 8.Optoma
    5.3 %
  • 9.Hisense
    5.6 %
  • 10.Acer
    7 %
Source: Digitec Galaxus