This projector is packed with features including HDMI, 3D Blu-ray ready, multiple PC and video input options, 1.3x optical zoom, keystone correction, DynamicEco and integrated speaker. With the latest HDMI, the PJD7820HD can now display 3D images from 3D Blu-ray players. DynamicEco allows user to put the projector in “standby” energy saving mode by reducing brightness down to 30% when the projector is not in use or without waiting for the projector to restart. Filter-less design and energy-saving eco-mode provide for virtually zero maintenance and product reliability.

Product Spec
Type 0.65" Digital Micromirror Device (DLP)
Resolution 1080p 1920x1080 (native)
Throw Distance 2.5 – 25.0 ft. / 0.8 – 7.6 m
Throw Ratio 1.15~1.5:1
Brightness 3000 lumens
Contrast 15,000:1
Lamp life 6000 hours in eco mode, 4000 hours at full power
Zoom Lens ratio 1.3:1 manual zoom and focus
Speakers 2-watt (x1)
Weight 4.6 lbs. (2.1 Kg)

Package Contents
ViewSonic projector
Power cable
VGA cable
Remote control with batteries
Quick Start Guide
ViewSonic Wizard DVD (with User Guide)

The ViewSonic PJD7820HD projector itself is rather smaller than the typical full-size model, and fits easily onto most desks. The glossy black casing gives it a more polished look than the average business model

The projector supports all international video formats including PAL and NTSC. The rear panel connectors of the PJD7820HD include dual VGA connectors, an S-video input, an HDMI input, composite video, a VGA output for driving an external monitor, a USB-B input, and various audio inputs and outputs. Additionally, there is an RS-232 connector for serial connections.
Setup was easy, simply plug in to your video source and it is detected automatically or if for some reason it is not it is easily selected with the source button on the remote or on the top of the projector.

Colors were very vibrant and the brightness/contrast was very good


The PJD7820HD has a six-segment RGBCYW color wheel, so if you are sensitive to rainbow artifacts, you may see them on the PJD7820HD. Since you have the option of enabling or disabling TI's Brilliant Color control, experiment with both settings to see which one you prefer. Brilliant Color provides emphasis on mid-tones and gives the image more pop, but switching it off gives the image a distinctly softer look with more depth and can help reduce the appearance of rainbows. Of course, image brightness is reduced, but it is still sufficient for all but the sunniest rooms.

The PJD7820HD has full HD 3D compatibility, so you can connect it to a Blu-ray player or broadcast 3D source and it will display that content correctly. If you have any frame sequential 3D content, the PJD7820HD can handle it as well. 3D viewing requires the use of special active-shutter DLP Link glasses, such as ViewSonic PGD-250, which are not included with the projector. Image brightness is decreased significantly and many color adjustments are not available in 3D mode, but these are common restrictions found on many 3D projectors.

The PJD7820HD is small, light, and at 3,000 lumens it is plenty bright even in living rooms at midday. It does, of course, have its flaws; like brightness uniformity, fan noise and underpowered built-in speaker. But despite these limitations, the PJD7820HD is an affordable, portable, fully 3D projector that can light up a living room for fun.
This post has been edited by IMSC: Nov 25 2013, 01:50 PM
Nov 18 2013, 11:00 AM, updated 13y ago
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