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Optoma ZK420UST

Photos - Projector Optoma ZK420UST
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Main function: professional; Brightness (lm): 4200; Dynamic contrast: 500 000:1; Technology: DLP; Resolution (px): 3840x2160; Image format support: 4:3, 16:9; HDR support: HDR10 / HLG; Colour enhancement; Rear; Minimum distance (m): 0.61; Max. distance (m): 0.89; Image size ("): 100 — 150
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Optoma ZK420UST
Lamp:Laser-LED, 4200 lm, 500 000:1, service life 30000 h
Resolution:3840x2160 px
Projection:from 0.61 m, up to 0.89 m
Coefficient:0.25:1
Connection:HDMI 2
All specifications
Specifications ZK420UST
Colour
Main functionprofessional
Lamp and image
Lamp typeLaser-LED / DuraCore /
Service life30000 h
Brightness4200 lm
Static contrast1 800:1
Dynamic contrast500 000:1
Projection system
TechnologyDLP
Real resolution3840x2160 px
Image format support4:3, 16:9
HDR supportHDR10 / HLG
Colour enhancement / BrilliantColor /
Projecting
Rear projection
Throw distance, min0.61 m
Throw distance, max0.89 m
Image size100 — 150 "
Throw ratio0.25:1
Projection shift (offset)120 %
Keystone correction (vert), ±5 °
Keystone correction (horizontal), ±5 °
Features
FeaturesPJ-Link protocol
3D support
Hardware
USB-A 2.01 pcs
Number of speakers1
Sound power15 W
HDMI inputs2
HDMI versionv 2.0
Audio connectors3.5 mm output (mini-Jack)
Service connectorsCOM port (RS-232)
LAN (RJ-45)
HDBaseT
3D Sync
General
Noise level (nominal)34 dB
Noise level (energy-saving / quiet)29 dB
Power sourcemains
Power consumption250 W
Kensington lock
Size (HxWxD)85x327x328 mm
Weight4.5 kg
Official Websiteoptomausa.com
Added to E-CatalogJanuary 2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.