@omega Infelizmente, não foi uma boa escolha... mas é possível melhorar a imagem. Recomendo que devolvas este projetor!
Review técnico e calibração do projetor LG HF80JS
REVISÃO: PROJETOR LASER LG HF80JS: PROJETOR COM IMAGEM ATRATIVA
17 de setembro de 2017
https://allhomecinema.com/review-lg-hf80js-laser-projector/
REVIEW: LG HF80JS LASER PROJECTOR: PROJECTOR WITH ATTRACTIVE IMAGE
September 17, 2017
LG HF80JS – Image quality
The image processing inherently inherits this projector from its television brothers, and that already gives him good points. Deinterlacing and detection of film and video framerates are good. This way the projector avoids serrated edges or moiré effects. The noise reduction provides good work with random noise and compression noise, so that even older or worse video sources still provide a good picture.
The pixel grid of the Full HD DLP chip remains invisible as long as you use a normal viewing distance. But the image here and there seems to flatten out the finest detail. We suspect that this is an effect of the lens. Yet the image is still sufficiently sharp. Be careful with the sharpness setting, which you quickly slide too high in an attempt to show some extra detail (choose somewhere between 10 and 20). Experiment with Superresolution, which gives slightly better results, we found the medium setting fine.
The projector does not have motion interpolation, so you lose a lot of detail in fast moving images. There is a clear double border when something moves through the image quickly and sometimes that edge is even colored.
We choose the Cinema image mode as the starting point for our tests. We immediately see that the LG shows a bit too much black detail, you can lower ‘brightness’ to 48 and put ‘contrast’ on 95 in one effort to give the image more punch.
The two thousand lumen that the LG promises on paper, however, we do not get it. In the three different eco-modes we get 810, 730 and 650 lumens. Even if we choose the ‘vivid’ mode, the meter does not exceed 990 lumens. Anyway, even with those lower values, the LG provides enough light for a screen between the 130 (blackout) and 90 inch (light ambient light) screen diagonal. Also the contrast is particularly poor: 550: 1 in cinemamode, mainly caused by a very moderate black value. He who completely obscures can not really expect a deep black. By activating dynamic contrast, you give the images more punch, but that costs you some black detail.
Another weakness: the projector is not perfectly calibrated. The range of colors and the gray scale clearly indicate that it falls short in red. The gray scale is too cool, but very uniform. This is with the color temperature on ‘medium’. If you choose ‘warm’, the screen gets too green, leaving it unchanged. The color range shows the weak red, and too intense blue. The secondary colors can also be much better. Yellow is a little too dark, and especially magenta leans too heavily towards blue. The gamma curve that determines the brightness curve is as good as perfect. Despite these poor results, the LG achieves a particularly well-balanced picture. He certainly does not provide reference images for film, but the result is still to be enjoyed. Even gamers can work with this projector, even though with a lag of 85ms (cinema) and 67.8ms (game) it does not deliver top results.
Review equipment
For the lag measurement we use a Leo Bodnar Display lagmeter.
For all other measurements we rely on a Spectracal C6 colorimeter, Xrite i1 Pro spectrophotometer, an AVFoundry HDMI Pattern Generator , an HDFury Integral for HDR patterns and the Spectracal Calman for Business software.
LG HF80JS – Conclusion
The HF80JS shows that there is a future in laser projection, even if you can not get started with the budget of a family car. The projector is compact, absolutely noisy, energy-efficient and delivers a decent image even though there is still a lot of room for improvement. The light source is too weak in red, and that is what you notice by the calibration. The contrast is somewhat disappointing, even for a DLP, and the light output is far below the specification, but is sufficient for a large image when darkening. And yet, turn off the light, and this little miracle box puts a very attractive picture on the wall. The addition of WebOS makes it a very nice multimedia machine, although LG has to provide something more powerful hardware. In relative terms you pay a high price for this compact laser projector. Competitors such as the Epson EH-TW6700 give a better picture for a lower price, but then you must of course settle for a classic lamp projector.
Cons
Menus respond too slowly
Calibration may be a lot better
Light output and contrast well below specification
Pros
Laser light source with long life
Attractive image
Compact, not noisy
Smart TV WebOS and Smart Remote
https://allhomecinema.com/review-lg-hf80js-laser-projector/