Optoma ZK420UST

4K, 4200 lm, 0.25:1
Delivered between Thu, 2.10. and Mon, 6.10.
Only 1 piece in stock at third-party supplier
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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 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.

Key specifications

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

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
3D

Projector display

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

Image positioning

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

Connections

Video connections
HDMI (2x)
Audio Connections
Audio Out (1x)
Data ports
RS-232 (1x)
USB ports
USB-A
Network connections
RJ45 (1x)

Noise emission

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

Lamp properties

Bulb type
Laser diode
Lamp technology
Laser
Lamp service life
30000 h

Power supply

Power supply
USB power delivery
Conventional energy consumption
250 W

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
Remote control

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)
1 additional offer

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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.Hisense
    2.8 %
  • 17.Xiaomi
    2.8 %
  • 19.Optoma
    3.1 %
  • 20.BenQ
    3.2 %
  • 21.Viewsonic
    3.3 %

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.PhoneLook
    4 days
  • 8.Acer
    5 days
  • 9.Optoma
    6 days
  • 10.LG
    8 days
  • 11.Epson
    10 days

Return rate

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

Source: Digitec Galaxus
  • 8.LG
    5.6 %
  • 9.Ferryxpress
    5.8 %
  • 10.Optoma
    6.1 %
  • 11.Wanbo
    6.3 %
  • 12.Xiaomi
    6.4 %
Source: Digitec Galaxus