After nearly a month of contrast, it was decided to purchase this machine PJD7831HDL . Are you still worried about the cooling effect before buying? Inconvenient to use? Poor projection effect? No matter, I'll tell you the answer.
Give everyone pictures and opinions for reference only.
The machine started this time is ViewSonic's PJD7831HDL . PJD7831HDL is very good in both color performance and design. It uses 6- color color wheel to enhance color, brightness is increased by 12% , image quality is improved by nearly 4 times, and it has 1.07 billion wide color gamut. Truthfulness of the projected object, WYSIWYG.
Unpacking
First of all, from the packaging point of view is very elegant, the use of the Jiugong format hollow packaging can reduce the shock during the transport process on the quality of the machine and its service life.
Looking at it from the moment of unpacking it is ecstatic to see that the packaging is better than you think.
Remove the box above to reveal the machine, right there is the power cord and VGA cable in the box, and the back cover of the hidden wire.
Look at the packaging of the entire machine as it was completely emptied.
To Zhang family portrait!
It is American brand, even the remote control is all in English. Really tall ! Like one
Look at the lens work can be described with nuanced, 1080P ultra-high-definition lens!
Look at the heat dissipation design. The increased heat dissipation port will make the machine life longer, and it will not cause death due to overheating, or reduce the service life!
It can be seen that the right side is the air inlet and the left side is the air outlet. This kind of heat dissipation design can achieve full body heat dissipation, which is simply fantastic!
A closer look, there is a removable dust filter, you can filter out the dust in the air, reducing the impact of dust on the machine.
The use of a raised design on the button makes the sense of touch even more pronounced. Even if the remote control cannot be found in a dark environment, the projector-related settings can be freely adjusted.
Rich interface design supports a variety of interfaces, suitable for a variety of occasions to use a variety of devices. Full support for mobile /pad/ monitor / somatosensory / network player / laptop / camera and other devices, more HDMI high-definition interface, allowing you to enjoy high-definition visual feast.
The front right side also adds an unlimited expansion slot, you can use your mobile phone and Ipad directly projected onto the curtain, very convenient.
This design is really clever and integrates with the machine, it is not easy to find!
Conversely, there is a foot on the bottom that can be rotated to raise the height of the projector, and no longer worry about whether or not to insert a book.
Not only that, even the infrared receiver panel has been enlarged, and remote controller signals can be received without alignment. Larger occasions can be manipulated!
Use articles
It is said that there are 3200 lumens of light bulbs, even if the bright environment can be displayed more clearly, it quickly ran to the conference room to try out what effect.
The installation is also very convenient, a VGA cable, a power cord to get, and cover the hidden back cover, it looks like the overall first-class will no longer worry about messy wire.
Even if viewed from the front, hiding the back cover is also integrated and looks much smoother.
Let's enjoy the beautiful picture for everyone to enjoy
Even if the position you place is not very positive, you can quickly adjust the normal screen ratio with the keystone correction function.
There is also a corner correction function that allows the screen to quickly adjust to the normal screen.
The menu function looks very clear and easy to set up.
Five projection modes allow quick adjustment of desired modes with one touch
The five scenes enjoy the switch. For different situations, PJD7831HDL provides five color modes, which helps users quickly select the appropriate viewing color mode according to different scenes.
Photo comparison
ViewSonic PJD7831HDL enhances the brightness of the product by increasing the color saturation, so that the projector has nearly 100% light transmittance, truly showing the picture of animals and landscapes.
With a 2.35:1 cinema aspect ratio, you can have a better visual experience at home and in the company.
Let's take a look at the contrast between the projection effect and the original image.
Left original image, right projection image real shot
Looking at the Pro7827HD with six -color wheel, the over-gradation of the sunset and clouds is clear and distinct, and the color performance is full, with little difference.
Left original image, right projection image real shot
Even bright colors perform very well and truly achieve what they see.
Left original image, right projection image real shot
Left original image, right projection image real shot
The effect of projecting the focus position is very delicate, and the quality of the image is clear.
Left original image, right projection image real shot
Note: The shooting equipment is limited and the shooting results are for reference only.
We can see through the above comparison, PJD7831HDL although only 3200 lumens, the color performance is also very perfect, whether it is gorgeous yellow or deep blue or dusk, the color reproduction are very realistic, and The original picture has little difference.
The picture quality when using PJD7831 HDL to play 3D movies and high-definition Blu-ray sources is good, and it plays very smoothly. The built-in 10W speaker can enjoy the stunning visual effects even without external sound. The skin color and color reproduction of the film and television characters are in place. When the HD picture is tested, the picture restoration is still more vivid, the color transition is natural, and the boundary is clear. Projection effects such as offices or homes are sufficient.
Worthwhile is a foreign brand, quality details have defeated the domestic brands of machines, according to China's Three Guarantees policy record projector lamp warranty is six months and the use of time in 600 hours, and ViewSonic machine warranty policy is beyond the national standard, the whole machine warranty The period has been extended to two years, the lamp warranty has been extended to one year and the use time is within 700 hours. Since mothers have a long warranty, mothers no longer have to worry about it.
In general, the projector with this effect can be very valuable.