Commercial appearance
Honestly, Acer's home projector products I did not experience much before, and the impression that I used to use on several stations is that the appearance is a commercial machine mold, and the picture quality is not outstanding. The V7850 received this time gave me a preliminary impression of the modification of the commercial machine mold. V7850 lens design in the right side of the fuselage, for cost considerations of the zoom and focus are used manually, although the adjustment ring at the lens feels good, but compared to the electric method in the accuracy will be slightly less , but this price of 4K projector, but also want to use electric adjustment lens, this requirement is a bit too harsh.
The V7850 uses a 1.6x lens, so a projection of a 100-inch screen requires a minimum of 3.1 meters, while a 120-inch screen requires a minimum of 3.7 meters. From this projection distance, it is still very much in line with the living room needs of most families. In addition, I am somewhat pleased that the V7850 can support the lens shift function, which is a very good feature that can greatly facilitate the installation of the projector.
There is a small button on the top of the V7850's body. You can adjust the projector screen up and down by pressing it up and down, but just like most DLP projectors, the moving range of the screen is not large. It can only support the vertical direction. Adjust from 0 to 15%.
V7850 remote control
Need to mention the interface
At first glance, the interface type of the V7850 is very conventional and there is not much room for introduction. However, I noticed a small detail when connecting, so I think it is necessary to mention it. The V7850 has two HDMI interfaces, of which HDMI 2 labels UHD. This shows that only the HDMI 2 interface supports 4K. Therefore, when connecting a 4K source, you need to connect to the HDMI 2 interface. This is very important. As for what would happen if I connected the 4K source incorrectly to HDMI 1, I didn't test it, but I believe it would be impossible to get 4K imagery.
Menu adjustment
Turn on the V7850's power supply. The first thing you see is the V7850's menu. The V7850 presets seven preset modes and one custom mode, Bright, Standard, Rec.709, sRGB, Cinema, Dim-theater, Game, Sports, and Extreme. After trying to watch videos in multiple modes, I feel that Rec.709 and theater modes are worth recommending, and the noise in polar quiet mode is really much smaller, but the brightness is somewhat lower.
In addition to the preset mode, the V7850 also offers a wide range of other image quality adjustments such as color temperature, color gamma, hue, and gamma and other conventional image quality options. The main thing to note is that in addition to the advanced adjustment options in the Quality menu, there is the AcuEngine (dynamic compensation) option in addition to the RGB gain/offset adjustments. For this function, my suggestion is not to drive too high. Excessive settings will make the picture appear torn. I suggest to open it to 2.
Quality experience
The V7850 uses a 0.66-inch DLP 4K chip, which has a brightness output of 2100 lumens in standard mode and a dynamic contrast ratio of up to 1,000,000:1. Judging from the specifications, the gap between the V7850 and other 4K projectors is not big, but what is the actual effect?
I connected the OPPO UDP-205 4K Blu-ray player to the V7850. The sources were the 4K Blu-ray movies "Independence Day: The Comeback" and "Speed ​​& Passion 8" and several 4K Blu-ray movie test clips. Both 4K Blu-ray movies are 4K HDR sources, so when playing these two movies, the V7850 will recognize and automatically start HDR. At the same time, the V7850 can adjust the brightness of the HDR. This is a surprise to me. setting. The V7850 has a four-level HDR brightness that is adjustable. From my use case, setting it to 4 is the best. When it comes to HDR, you have to mention that the performance of the V7850 for 4K HDR really improves the SDR picture in both the highlights and the details of the shadows, such as fighter jets or cars under the sun, can clearly see the The appearance of the details, and SDR picture, these details are lost because of overexposure.
I also used the V7850 to watch several 1080p Blu-ray movies. When we interpret these Blu-ray movies, the performance of the V7850 is obviously better than that of a 1080p projector of the same price. The biggest feeling is that the clarity of the video is improved. , especially when it comes to performing animations.
On the whole, the V7850 gives people the impression that it reflects the consistent features of the DLP projector – high sharpness and rich layers of images. In terms of color, the V7850 has a warmer color style and has a very good performance for landscape documentaries.
to sum up
Seeking truth from facts, the Acer V7850's projection screen is still a bit different from other more high-end 4K home projectors I have experienced, but from the price point to do horizontal comparison, the picture quality is completely beyond most of the same price of the 1080p projector. .
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