After moving in a new home last year, the main bed was supposed to be placed in a cupboard with 4K TV on it. However, due to force majeure, it was a wardrobe and there was no way to install TV. White clothed sockets and gigabit cables. Since having a baby, the television in the living room is basically a display. Try to control the time of touching electronic products and watching TV. Occasionally, if you want to watch a movie, you have to use a computer. It's always close to the 27-inch monitor with LP. The idea of ​​installing projectors in the bedroom was born. I would like to have a dedicated audio and video room and then install the projector. The supporting sound system has to come in and guarantee the viewing effect. However, LP has no place to brush this issue or must be resolved, and occasionally lying in bed to see the movie is also very enjoyable. 4K projection is still far from the popularity, not to mention the source, the key is the price is not friendly. 1080P inside the election, see JD on the highest sales is the extremely meter H1 4999. Comes with a Harman/Kardon stereo, as well as a built-in box, which seems to be quite good for simple audio and video entertainment. Used for two days or returned. Some Problems: 1, the brightness is still not enough, nominal 900ANSI, dark details can not be seen at night dark environment. 2, color tone is not comfortable, color accuracy is not enough, and this color is not accurate and not easy to adjust, you tune a color that is almost the same, other colors are wrong. Press the gourd to lift the scoop. SLR, micro-single playing for more than a decade is still a little sensitive to color, personally feel unacceptable, during the initiation of the idea of ​​changing light bulbs, while beginning to understand Aunt Zhang, while still resistant to the use of extreme meters, if not high demand Still very convenient. 3ã€After two days, Bluetooth remote control has problems. From time to time, it is impossible to connect, re-pair, and then fail again. Well, you gave me the determination to change the light bulb. LED projection, personally feel that is still not too mature, 1080P resolution is the acceptable limit, but currently only see the extreme meter H1. If you are not fussy about color, daily entertainment is still possible, the integration is high and the operation is simple, and female users have a high degree of acceptance. And noise, heat and other aspects than the light bulb machine has an advantage, but also the direction of technology development, to solve the brightness and color weaknesses are more suitable for home use, long life, to meet the long-term needs of large-screen family entertainment. OK, start choosing the light bulb. Because of the use of the bedside table, there must be a side-shooting function. When the bedroom is lifted, it feels a bit offensive. Sleeping always feels something hanging on the head and is uncomfortable. Aunt strolled around the circle, 1080P entry-level machine is the most recommended BenQ W1070 +, see the parameters, personally think that ViewSonicPJD7831HDL ViewSonic has more advantages, but the price is cheaper, when started to almost a discount of 1000. Finally feel good, or choose BenQ W1070 +, 5599-200, start with 5399 coupons. The second day of receiving goods was found to engage in activities, but fortunately, successful application for the insured, refund 550 yuan. The actual starting price of 4849 yuan, to send three pairs of 3D glasses. After two days of use, I feel that the noise of the goods is too loud. It really affects the viewing experience. After the baby is finished sleeping, she can only use the Bluetooth speaker at a small volume to see the movie. Therefore, the home theater and 5.1 channels are not considered. The volume is too small to cover the fan noise. Obsessive-compulsive disorder also committed, began to grow grass ViewSonic PJD7831HDL, decided to re-enter a machine, to facilitate a horizontal review, treatment of obsessive-compulsive disorder. In the end, 4549 took 7831 home, so he had the following Hengping. 1. Model out of the box BenQ W1070+ ViewSonic PJD7831HDL 2. Shape Both models are not too bad, and there is no sense of disobedience at home. The texture of ViewSonic's top cover drawing process is good, and the real thing looks better than the picture. Both machines were out of the front, with right front 30 degrees or so, and the use of bedside tables did not cause any problems. 3. Accessories BenQ has only a power cord, and ViewSonic also has one more VGA, which seems to take into account commercial positioning. Both remote control batteries are Maxwell's. The BenQ remote control has a backlight, which is more convenient to use at night, and the ViewSonic remote control has a laser pen function to facilitate presentation. The detailed parameters of the two models should be familiar to everyone and they will no longer be posted. Compare the next few key values: official website parameters 1. Key parameters: BenQ W1070+: Brightness - 2200 ANSI Contrast - 10000:1 PJD7831HDL: Brightness - 3000ANSI Contrast - 15000:1 2. Lamp life: BenQ W1070+: 3500-6000 hours Orsam PJD7831HDL: 4000-10000 hours Philips 3. Warranty comparison: BenQ W1070+: The machine has a three-year warranty and the lamp is warranted for two years. PJD7831HDL: The whole machine is guaranteed for three years, and the lamp is guaranteed for one year within 700 hours. 4. Price comparison (2017-02-24): BenQ W1070+: 4988 to send three pairs of 3D glasses PJD7831HDL: 4599 5. Sales volume comparison (JD evaluation number): BenQ W1070+: 2300+ PJD7831HDL: 70+ How can the ViewSonics be so unpopular, the data is not bad, measured down is not bad. 1. Use environment Supporting Harman Kardon's food basket, video, audio should exceed LED micro-cast Haman Kardon's things always feel a bit misleading, do not know how to come so famous, the car's sound is also Harman Kardon, feel the sound quality is really general, when the volume is more prominent. 2. Curtain 100 meters of ordinary electric white plastic screen, first make do with. Because the cabinet is not in the middle of the bed, LP is on the left side, and the perspective is good. I am looking sideways and have not made up my mind to hoist the screen. I am afraid that the side angle of the machine is not enough. The condition is still to lift the projector, and the side cast has an effect on the picture quality. 3. Camera Fujifilm XE-2 JPG straight out 4. Playback device 2016 MacBook Pro, in order to accurately locate the position of the video capture, installed a Win10 on the MAC, PotPlayer playback, performance is not enough to use MadVR rendering, with the EVR rendering. Brightness test Use default lamp brightness, default color, brightness, contrast, color temperature, Gammar settings Without a light meter, we had to measure meat I don't know if the image can be seen after uploading and compressing. The ViewSonic projection area is smaller, and obviously there is a slightly brighter area. In actual use, you can feel the higher brightness of the 7831. It works better when used during the day. 2. Resolution test Both machines have been focused to the clearest state BenQ W1070+ ViewSonicPJD7831HDL The same shooting parameters, obviously feel that ViewSonic's font display is more clear, the font edge is more smooth 3. Comparison of pictures Static pictures, selected a few green, blue, red, yellow pictures For fair comparison, fixed shooting parameters with the naked eye to feel the correct exposure are used: Sensitivity: ISO800 Aperture: 3.2 Shutter: 1/50S Original image: BenQ: ViewSonic: Original image: BenQ: ViewSonic: Original image: BenQ: ViewSonic: Original image: BenQ: ViewSonic: Screen quality is inevitably impaired. If you actually watch it with the naked eye, the details are all there. The actual effect is better than the screenshot effect. The photo can only reflect the effect of 70-80% in the actual playback. Exposure of the camera to a fixed parameter causes overexposure or underexposure. Automatic metering concerns the effect of contrast. The actual viewing experience is very good, and due to the venue restrictions, can not be shot in the middle of the picture, there is a certain deformation, please forgive me. But it does not affect the judgment of the tendency of color. 4. Video capture "Spy Alliance" 1080P Remux "Ocean Romance" 1080P Remux Due to the higher brightness of the ViewSonic 7831, fixed shooting parameters will cause the W1070+'s picture to feel dark. In the actual viewing process, the brightness of the W1070+ is sufficient, but the dark details are slightly weaker than the 7831. Please ignore the brightness factor, contrast the color tendencies, the eyes receive goods. Original image: BenQ: ViewSonic: Original image: BenQ: ViewSonic: Original image: BenQ: ViewSonic: Original image: BenQ: ViewSonic: Original image: BenQ: ViewSonic: Original image: BenQ: ViewSonic: Noise test There is no dedicated decibel meter. Use the APP test for reference only. Not straight to the mouth, the phone microphone is above the outlet. BenQ W1070+ Factory Mark Noise: 31/28 dBA ViewSonicPJD7831HDL Factory Marked Noise: 35/30 dBA ECO mode: For noise, just ask the manufacturer. Say a good nominal value? Is it measured without electricity? The noise of the W1070+ is the quietest time measured. There is no difference between the standard mode and the ECO mode. Only the 1-2dBA is floating, so only one picture is attached. If the quietness can reach the nominal value, why should I buy another one for comparison and put it on the bedside table? Noise does affect the viewing experience. It may be better to lift it. The noise of the two machines is practically the same, and the BenQ value is lower but the feeling of high-frequency noise is more annoying. When ViewSonic is used at night, the ECO mode is turned on, brightness is enough, life is longer, and noise is lower. Seeing comments is also true for many users. Want to mute effect, it still seems to have to pick Dafa. Helpless money is not enough. Wait for the next change of machine, 4K Dafa, think that the picture is beautiful. 2. Temperature test Without an infrared thermometer, try the ear thermometer and find that it cannot be measured. If it is out of range, BenQ will be a little hotter. After 10 minutes, the outlet case will be hot, and the ViewSonic case won't be hot. The wind at the air outlet feels hot, and the outlet temperature at BenQ is significantly higher. Personally guessed, ViewSonic's Philips light bulb is better, 210W can produce 3000 lumens brightness, BenQ's OSRAM light bulb 240W only 2200 lumens brightness, power consumption is higher, so the heat is more serious. BenQ W1070+ generation of classic models, is also recommended the most, really impressive, sent 3 pairs of 3D glasses is also quite cost-effective. If you can't decide what to buy, you can't go wrong with the flow. Bright enough, rich colors, texture picture. The color red is too strong and can reduce some red saturation appropriately. ViewSonic PJD7831HDL has a good level of strength. I don't know why it's tepid. I don't think JD's sales are wrong. And the brightness is higher. At night, the ECO mode is turned on, which saves electricity, saves light bulbs, and has little noise. The overall color is slightly lighter, which can increase the overall saturation. In particular, the green feeling will be a bit yellowish, and if you adjust it properly, you have a very good picture. Both machines are very good entry-level 1080P projection, easy to meet the needs of home entertainment, lamp life can be used at least two or three years, this point of consumables costs, bring more enjoyment, personally feel very worthwhile. Overall, I liked ViewSonic PJD7831HDL but decided to leave BenQ 1070+ because LP said it looks better. 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BenQ W1070+ Home Full HD Projector (DLP chip 2200 ANSI lumens 1080P resolution) 4988 yuan brighter and more convenient, home projection good choice Jingdong direct link to Wikipedia 
Bubble foam, good protection 
First family portrait 
A lens cover is well received, but it is directly stuck on the lens during installation and it is easy to turn the focus ring 
Silver color is still quite texture 
top view 
Key area, wavy structure 
Silver LOGO 
Zoom ring and focus ring, as well as LENSSHIFT function, can move the screen up and down 
Rear view, rich interfaces 
Place on the nightstand 
Big eyes, relative to LED micro-cast 
ViewSonic PJD7831HDL Full HD Home Projector (DLP chip 3000 lumens 1080P resolution) 4599 yuan Jingdong direct link 
Familiar three birds, how does ViewSonic not make snacks? 
Seal is the sticker of ViewSonic LOGO, is the first time you use ViewSonic's products 
General structure of the foam protection, the manufacturers are similar 
Family portrait, sending a VGA line, but also with stuff? It seems that 7831 is closer to commercial positioning 
Grey color body 
The top cover is a drawing process and the texture is not bad. The key area also uses concave and convex shapes for easy operation. 
Rear view, only one HDMI interface 
First take a photo 
Hide the curtain on the top of the cabinet. 
I. Introduction
August 10, 2022