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Optoma UHD42 DLP Projector 4k/2400al/500,000:1


Immerse yourself in a world of Ultra HD gaming, live sport, TV shows and movies. The UHD42 delivers impressive 4K cinema quality images and lightning fast refresh rate of 240Hz for silky smooth gaming - Delivery 3-5 Days

4K UHD gaming and home entertainment projector

Immerse yourself in a world of Ultra HD gaming, live sport, TV shows and movies. The UHD42 delivers impressive 4K cinema quality images and lightning fast refresh rate of 240Hz for silky smooth gaming.

TV and movie fans can also enjoy excellent colour depth, crystal clear detail, and sparkling contrast for a stunningly immersive experience.

Packed with the latest technology and features, this stylish projector boasts High Dynamic Range (HDR) and HLG compatibility, Full 3D and HDMI 2.0.

It even comes with 1.3x zoom and vertical lens shift for easy installation. Perfect for enjoying life-like big-screen entertainment in any living space.


Big screen entertainment

Create and view images far larger than any TV with a projector. You can create a massive up to 300” image*. Perfect for recreating the immersive cinema experience in the comfort of your own home.

*Screen size depends on space available (wall size and distance) and ambient lighting conditions.

Lights on viewing

This all-round home entertainment projector combines high brightness and vivid colours for vibrant, true-to-life visuals in well-lit environments - ideal for watching TV shows, sports and movies or gaming with family or friends any time of day.

4K UHD Resolution

With over eight million pixels, Ultra HD 4K resolution brings four times more detail than Full HD, to deliver sharper, life-like images and richer colours - allowing you to sit closer to the screen and enjoy a more immersive experience.

HDR and HLG compatible

Capable of receiving and displaying both HDR10 and Hybrid Log Gamma (HLG) HDR content. This Optoma projector allows you to see far more detail and texture. Objects look more solid and lifelike and the extra detail creates a greater sense of depth.

Amazing colours

Watch your movies, TV shows and play games with stunning colours in any environment. Optoma projectors provide reliable performance suitable for any content and environment. Our home projectors are capable of reproducing the Rec.709 colour gamut, the international HDTV standard to guarantee accurate reproduction of cinematic colour exactly as the director intended. Or more saturated colours for a punchy looking image, great for gaming and animated movies.

Colour Management System (CMS)

Display accurate lifelike colours to best match your viewing environment. This unique feature provides you with the flexibility to fine-tune the colour settings for optimal precision.

ISF modes

This feature allows you to save your calibrated day and night mode settings for the highest possible viewing experience.

Full 3D

Optoma projectors can display true 3D content from almost any 3D source, including 3D Blu-ray players, 3D broadcasting and the latest generation games consoles.

Vertical Lens Shift

Simplify installation with vertical lens shift, which provides a wider range of projector placement possibilities. This makes it easier to position the projector in your room and enables a wider range of screen size options.

Dual HDMI inputs

Play games, stream videos and share photos on the big screen in the comfort of your own home. With dual HDMI inputs, you can easily connect to your games console, set-top box, laptop, PC, Blu-ray player or media streamer with a single cable. You can even turn it into a smart projector by connecting an HDMI dongle like the Google Chromecast™, Amazon Fire TV, Apple TV™ or Roku® stick.

Enhanced gaming

Enhanced gaming optimises your projector by reducing input lag to 15.70ms for lightning fast response times.

240Hz smooth motion

Enjoy ultra-smooth fluid motion and reduced delay. A high refresh rate makes it easier to keep track of the action, giving you a better chance of hitting your target earlier. Ideal for fast action gaming.

Game mode

Game mode optimises your projector for maximum contrast and vivid colours to capture every detail - leaving you time to focus on winning.

Put yourself in the game and enjoy an immersive life size experience with a large screen up to a 300"* far larger than the average TV. It even makes multiplayer games more enjoyable with larger split screen areas.

Integrated speaker

Complete your home entertainment experience with the convenience of a powerful built-in speaker for exceptional sound quality and an easy set up without the need for costly external speakers.


Most movies are shot at 24 frames per second (fps). To preserve the purity of the original image, Optoma projectors can accept high definition sources at 24 fps to display movies exactly as the director intended.


Use the USB-A port to power an HDMI dongle, such as Google Chromecast.

Backlit remote

Our backlit remotes are designed using subtle white LEDs to light up the buttons, making it to see and operate, especially in the dark

Wall colour adjustment

Don’t have a white wall or a projector screen? No problem! With the “Wall Color” setting, you can alter the projected image based on the colour of your wall. With six options to choose from you can easily adjust for blackboard, light yellow, light green, light blue, pink and grey walls to get the most accurate colour gamut.


Essential Information

  • This product is supplied with a 2 year projector warranty & 1 year/1000hour lamp warranty
  • Please allow 3-5 days delivery on this item.
More Information
gtin (EAN or UPC) 5055387660373
Guarantee (mths) 24


  • Display/image
    • Display technology-DLP
    • Resolution - UHD (3840x2160)
    • Brightness - 3,400 lumens
    • Contrast ratio - 500,000:1
    • Native aspect ratio - 16:9
    • Aspect ratio – compatible - 4:3
    • Keystone correction - vertical+/-40°
    • Horizontal scan rate - 31 ~ 135Khz
    • Vertical scan rate - 24 ~ 120Hz
    • Uniformity - 80%
    • Screen size - 0.87m ~ 7.68m (34.1" ~ 302.4") diagonal
  • Lamp info
    • Light source type – Lamp
    • Lamp watts – 240
    • Lamp life hours (up to)
      • 4 000 (Bright),
      • 15000 (Dynamic),
      • 10000 (Eco)
    • Optical
      • Throw ratio - 1.21:1 ~ 1.59:1
      • Projection distance (m) - 1.2m - 8.1m
      • Zoom - 1.3
      • Zoom type -Manual
      • Focal length (mm) - 12.81 ~ 16.74
      • Lens shift - Vertical +10%
      • Native offset - 105%
    • Inputs
      • 1 x HDMI 2.0,
      • 1 x HDMI 1.4a 3D support,
      • 1 x VGA - (YPbPr/RGB),
      • 1 x Audio 3.5mm
    • Outputs
      • 1 x Audio 3.5mm,
      • 1 x S/PDIFControl
      • 1 x USB-A power 1.5A,
      • 1 x USB-A service,
      • 1 xRS232,
      • 1 x 12V trigger
    • Noise level (typical) - 26dB
    • Noise level (max) - 28dB
    • PC compatibility - UHD, WQHD, WUXGA, FHD, UXGA, SXGA, WXGA, HD,XGA, SVGA, VGA, Mac
    • 2D compatibility 480i/p, 576i/p, 720p(50/60Hz), 1080i(50/60Hz),1080p(50/60Hz), 2160p(50/60Hz)
    • 3D - Full 3D
    • Security
      • Security bar,
      • Kensington Lock,
      • Password protected interface
    • OSD / display languages - English, French, German, Italian, Japanese, Portuguese, Russian, Chinese (simplified), Spanish
    • Operating conditions - 5°C ~ 40°C,
    • Humidity 85%,
    • Altitude 3000m
    • Remote control - Backlit home remote
    • Speaker count – 1
    • Watts per speaker - 10W
    • In the box
      • AC power cord
      • Remote control
      • 2x AAA batteries
      • Basic user manual
    • Input lag 15.70ms
    • Power
      • Power supply - 100 ~ 240V, 50 ~ 60Hz
      • Power consumption (standby) - 0.5W
      • Power consumption (min) - 220W
      • Power consumption (max) - 305W
    • Weight and dimensions
      • Net weight - 3.9kg
      • Dimensions (W x D x H)mm - 315 x 270 x 118
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