Optoma ML1050ST


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Ultra-compact short throw LED projector

The ultra-portable LED ML1050ST projector has been engineered with a short throw lens to make it even more flexible for meetings, presentations or movies on-the-go.

Weighing just 420g, this tiny projector features a media player, built-in speaker, native office viewer, microSD card slot and USB connection. HDMI input enables connection to the latest devices or you can present wirelessly from a mobile device using the free HDCast Pro app and optional wireless USB adapter.


HD Ready and LED technology – Great for movies, gaming and PC-free presentations
Great connectivity – HDMI, MHL, micoSD and built in speaker
Built in media play and optional wireless presentations
Short throw lens, ultra compact and lightweight – only 420g

Short Throw

With a short throw lens, you can project an impressive 100” image from just over a metre away. This allows you to place the projector closer to the wall, reducing shadows so you can present with ease.

LED technology

High-quality LED illumination provides increased efficiency to maintain consistent brightness, superior colour performance, instant on/off and an extraordinary life span.

Amazing colours

Give powerful presentations and educational lessons with stunning colours. Optoma projectors provide reliable colour performance suitable for any content and environment. From accurate sRGB colours for lifelike images to vibrant punchy presentations. We have a display mode to specific meet your needs. Perfect for a range of graphic and video presentations.

Superior contrast

Add more depth to your image with a high contrast projector. Compared to competing technology, Optoma DLP projectors provide you with brighter whites and ultra-rich blacks, images come alive and text appears crisp and clear – ideal for business and education applications.

Native office viewer

Give presentations directly from your projector without the need of a laptop or PC using the built-in office viewer. Simply copy your Word, Excel, PowerPoint, PDF or JPEG files to a USB stick, SD card or microSD (depending on the projector input*) and display them on the big screen.

*See projector specs for a full list on inputs

Built-in media player

Give presentations directly from your projector without the need of a laptop or PC using the built-in media player. Simply copy your documents, images and videos to a USB stick / SD card / microSD card (depending on the projector input) and display them on the big screen.

Wireless presentations

Instantly connect and present wirelessly from your PC, Mac or mobile device using the free App (name)* and optional wireless USB dongle. The app gives you the freedom to wirelessly share and present documents, photos, videos and your devices camera turning it into a document camera. Creating a more connected and collaborative experience for everyone.

Available on Windows, MacOS, android and iOS

Integrated speaker

A built-in speaker offers excellent audio support and an easy setup without the need for costly external speakers


Turn your projector into a smart display by connecting your smartphone or tablet with a single cable using MHL; now you can view presentations and documents, stream videos and share photos on the big screen.


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.

Direct power on

The projector will start up instantly when power is supplied to the unit. This eliminates the need to manually turn on the projector via the remote control or the keypad, ideal for use in rooms with a “master” power switch.

Direct power off

Power off your projector immediately or directly at the mains. This means you don’t have to wait for the projector to cool down before turning it off.

24/7 operation

Optoma projectors have been designed to operate 24 hours a day in standard orientation. Perfect for applications where prolonged periods of use is required. Subject to 24 hour terms and conditions.

24/7 Operation – standard lamp warranty applies. Projector warranty is based on standard business usage hours. For optimum performance Optoma recommends that your projector is turned off or placed in standby mode for 30 minutes every 24 hours to prolonging the life of your lamp.

Display technology: DLP
Resolution: WXGA (1280×800)
Brightness (LED): 1,000 LED brightness
Contrast ratio: 20,000:1
Native aspect ratio: 16:10
Aspect ratio – compatible: 4:3,16:9
Keystone correction – vertical: +/-40°
Has vertical auto keystone correction: Yes
Horizontal scan rate: 15.375 ~ 91.146Khz
Vertical scan rate: 24 ~ 85(120 for 3D)Hz
Uniformity: 85%
Screen size: 0.64m ~ 2.54m (25″ ~ 100″) diagonal
Light source type: LED
LED life: 20,000 hours
Throw ratio: 0.8:1
Projection distance (m): 0.43m – 3.44m
Zoom type: Fixed
Focal length (mm): 8.02
Native offset: 100%
Inputs 1 x HDMI 1.4a 3D support + MHL, 1 x microSD card, 1 x USB-A reader, 1 x VGA (YPbPr/RGB)
Outputs 1 x Audio 3.5mm
Noise level (typical): 22dB
Noise level (max): 24dB
PC compatibility:
2D compatibility:
480i/p, 576i/p, 720p(50/60Hz), 1080i(50/60Hz)
3D compatibility:
SVGA 120Hz, XGA 120Hz
3D: 3D ready
Security: Security bar, Kensington Lock, Password protected interface
OSD / display languages:
13 languages: Dutch, English, French, German, Greek, Italian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish
Operating conditions:
5°C ~ 35°C, Max. Humidity 85%, Max. Altitude 2500m
Remote control: Card style
Speaker count: 1
Watts per speaker: 1W
In the box:
Carry bag
Universal I/O cable
AC power cord
Remote control
Basic user manual
Input lag: 16.00ms
Optional wireless models: WUSB
Power supply: 100 ~ 240V, 50 ~ 60Hz
Power consumption (standby): 0.5W
Power consumption (max): 77W
Dimensions (W x D x H) mm: 112 x 123 x 57
Gross weight: 1.42 kg
Net weight: 0.42 kg


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