Impress your audience with stunning visuals using the 3,800 lumens, WXGA Optoma W309ST short throw projector. The 0.52:1 short throw ratio, brightness and 25,000:1 contrast ratio enables 100-inch projections from several feet away, making it ideal for classrooms, small conference rooms and other space-constrained environments.
Robust inputs include HDMI, VGA and composite for connectivity to a wide range of digital and legacy devices. Energy saving features and a long lamp life, up to 15,000 hours, provide many years of use with minimal maintenance for low total cost of ownership.
Bright WXGA projector – 3,800 ANSI lumens
Short throw lens – 100″ image from several feet away
Easy connectivity – HDMI, VGA, USB power
Clear, powerful audio – 10W speaker
With a short throw lens, you can project an impressive 100” image from just over a meter away. This allows you to place the projector closer to the wall, reducing shadows so you can present with ease.
Give powerful presentations and educational lessons with stunning colors. Optoma projectors provide reliable color performance suitable for any content and environment. From accurate sRGB colors 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.
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.
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.
A powerful built-in speaker provides exceptional sound quality and an easy setup without the need for costly external speakers.
Eco+ technology brings together high contrast, improved lamp life and energy saving features that are easy to use while reducing power consumption.
Using the specially designed lamp modes, you can reduce the power consumption by up to 70%. Each mode also has a positive effect on the lamp life, while lowering the total cost of ownership and reducing maintenance.
This feature allows the projector to be instantly powered on again, if it is accidentally switched off.
Eco AV mute
Stay in control of your presentation with Eco AV mute. Direct your audience’s attention away from the screen by blanking the image when no longer needed. This also reduces the power consumption by up to 70%, further prolonging the life of your lamp.
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.
Auto power off
There may be instances when the projector is left running when not in use. To help save energy, the “auto power off” feature automatically turns off the projector after a set period of time if it is not being used
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.
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Native aspect ratio
Aspect ratio – compatible
Keystone correction – vertical
Horizontal scan rate
15.38 ~ 91.15Khz
Vertical scan rate
50 ~ 85(120 for 3D)Hz
35.64″ ~ 302.98″ diagonal
Light source type
Lamp life hours (up to)
6000 (Bright), 12000 (Dynamic), 10000 (Eco), 15000 (Eco+)
15.75″ – 133.86″
Focal length (mm)
Inputs 1 x HDMI 1.4a 3D support, 1 x VGA (YPbPr/RGB), 1 x Composite video, 1 x Audio 3.5mm
Outputs 1 x VGA, 1 x Audio 3.5mm, 1 x USB-A power 1A
Control 1 x RS232
Noise level (typical)
Noise level (max)
FHD, UXGA, SXGA, WXGA, HD, XGA, SVGA, VGA, Mac
NTSC M/J, 3.58MHz, 4.43MHz PAL B/D/G/H/I/M/N, 4,43MHz SECAM B/D/G/K/K1/L, 4.25/4.4MHz 480i/p, 576i/p, 720p(50/60Hz), 1080i(50/60Hz), 1080p(50/60Hz)
Side-by-Side:1080i50 / 60, 720p50 / 60 Frame-pack: 1080p24, 720p50 / 60 Over-Under: 1080p24, 720p50 / 60
Security bar, Kensington Lock, Password protected interface
OSD / display languages
25 languages: Arabic, Czech, Danish, Dutch, English, Farsi, Finnish, French, German, Greek, Hungarian, Indonesian, Italian, Japanese, Norwegian, Polish, Portuguese, Romanian, Russian, Chinese (simplified), Spanish, Swedish, Chinese (traditional), Turkish, Vietnamese
5°C ~ 40°C, Max. Humidity 85%, Max. Altitude 3000m
Watts per speaker
In the box
AC power cord
Basic user manual
Optional wireless models
HDCast Pro, QuickCast Bundle, QuickCast starter kit, WHD200
100 ~ 240V, 50 ~ 60Hz
Power consumption (standby)
Power consumption (min)
Power consumption (max)
Dimensions (W x D x H)
12.44″ x 9.61″ x 4.25″