ViewSonic PJD7820HD DLP Projector Specs

The "W" stands for White, and white segments in DLP color wheels boost white light output but not color light output, leading to an unbalanced picture with super-bright highlights and dull colors. White segments can also increase the appearance of color separation artifacts. And while color wheel speed is not listed in the projector's specifications, most projectors with white segments in their color wheels have 7200RPM (2x-speed) wheels. With the DynamicEco button on the remote, take command of presentations by dimming the screen brightness by 70%.

It can even be loud enough to overwhelm the PJD7820HD's internal speaker during quiet moments. For a weekend crowd at home, you will probably need to use an external sound system, but this is due more to the weakness of the internal speaker than the fan noise. Menu Selection and Navigation - There are six menus for the PJD7820HD, but they are easy to navigate. Most of the settings you are likely to need are found in the Display and Picture menus, and the dual User modes allow you to store two sets of preferred settings.

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You nice folks at ProjectorCentral measure it for other projectors. I would love your technical comparison against the Optoma HD25/LV. Fan Noise - In Eco mode, fan noise is very low, but in normal mode, it is loud enough to be a distraction.

This feature allows presenters to easily shift the audience's focus when the projector is not in use. When DynamicEco is activated, the lamp's power consumption is significantly reduced – a great energy-saving design for low total cost of ownership . For those looking to use this projector for serious purpose – not home entertainment, don’t be concerned about calibration issues.

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Color Brightness - Like many non-home theater DLP-based projectors, the PJD7820HD loses about 50% of its brightness when switched to its most color-balanced mode . But if color balance is not critical or the room's ambient light demands higher image brightness, then turning Brilliant Color on may be a good choice. Lamp Life - Normal mode lamp life is 4,000 hours, but Eco mode stretches that time to 6,000 hours -- which is one of the longer lamp lives available for a 3,000-lumen projector. And since Eco mode only drops brightness by 18%, it is an excellent choice if room light permits. If room brightness allows it, add to the viewing experience by turning off Brilliant Color, which reduces highlight brightness and gives the image a more balanced appearance.

viewsonic pjd7820hd 1080p 3d home theater projector

As a home projector, it would be considered a little more basic (lacking CFI for smooth motion – a rarity on under $1500 projectors – or a dynamic iris, neither considered features needed outside the home). Brightness uniformity - The dimmest corner of the PJD7820HD's image was significantly dimmer than its center, and brightness uniformity measured 67%. While most visible on pure white or pure gray screens, it can occasionally manifest in film and video as well. ANSI LUMENSis the most commonly accepted industry standard brightness measurement. The ANSI lumen rating measures the brightest white that a projector can produce by averaging nine light meter measurements taken across the projected image.

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Normally we don’t calibrate most under $1000 projectors for home (we don’t calibrate business projectors, only measure them). No one normally calibrates an under $2000 “business” projector.We will explore the image quality for business and education use, on theimage quality page. The projector also offers software security in the form of being able to lock the control panel on the top of the projector, via a password input from the remote control. This renders the Viewsonic useless to vandals or a thief, if the remote control is securely protected. ViewSonic has cracked the $800 barrier with a capable HD home video projector.

viewsonic pjd7820hd 1080p 3d home theater projector

This is better than many competing projectors in the sub-$1000 category. Dynamic Eco Mode - This feature reduces power consumption by lowering brightness by about 80%, but it is of limited utility in bright rooms where image washout is likely. Still, this feature is useful for movie viewing in darkened rooms where maximum brightness is not required. Further down, we’ll look at some of the special features of this Viewsonic PJD7820 projector.

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 is easy to set up out of the box with connectors clearly marked and control functions on both the projector and the remote that are easy to recognize. The icons on the remote are especially well done with high contrast buttons and unmistakable functionality.

There’s also Page Up and Page down buttons, as well as left mouse, right mouse buttons on the remote. We had to settle a bit, sorry, no color perfection, but certainly fine for most applications. Can this projector PJD7820HD hang from the ceiling upside down and ready for ceiling mount?

With the latest HDMI, the ViewSonic PJD7820HD projector can now display 3D directly from 3D Blu-ray players. The PJD7820HD is designed to provide an amazing 3D visual experience for classroom, office, and even home environments. For home use, the 3D easily is bright enough for a 110″ diagonal screen.

viewsonic pjd7820hd 1080p 3d home theater projector

The Epson EpiqVision Ultra LS800 is a 4,000-lumen 4K PRO-UHD ultra short throw home theater projector. There are also 8 different gamma settings for adjusting the dynamics between bright, middle and low brightness areas. Some settings can be used in a business projector environment for more pop, if there’s a lot of ambient light.

This makes for a quick set-up for two different viewing situations without the hassle of changing settings manually. Lamp replacement is performed through the top of the projector, so lamp changes can be performed on ceiling-mounted projectors without dismounting the projector. Additionally, there is an RS-232 connector for serial connections.

Switch to one of the User modes, choose ViewMatch as the reference mode, and switch Brilliant Color "off" in the Picture menu. While brightness is reduced by about 50%, you will find that flesh tones are more realistic than with Brilliant Color turned on. My home theater is a windowless, totally dark room with dark walls, floors, ceilings and furniture. The PJD7820HD features 1920x1080 native resolution for a total of 2,073,600 pixels. That is 4.3x more pixels than SVGA, 2.6x more than XGA or 2.0x more than WXGA. Whether it’s a multimedia presentation, graphic design, or video production, the PJD7820HD can demonstrate crisp details and enhance presentation quality without distortion or scaling of the original format.

This price/performance combination is perfect for the home video category where Saturday afternoon movies and Sunday sports on a large screen are the order of the day even with ambient light in the room. Those 3,000 lumens will keep image washout to a minimum, and the resolution is high enough to count the blades of grass on the putting green close-ups. Native 1080p resolution is perfect for the sharpest and clearest picture available.

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