Originally Posted by bdht
Oh, I dont know, Im a lousy photographer and I dont know that any differences would actually show in pictures. The technology differences(panels/internal optivs/cooling), assessment of lenses, processing etc., contrast, gamut, and spectrum measurements, these things paint a clearer picture of video performance. Alot of things you have to see for yourself. I could take a picture of a VA panel and an OLED panel and they would probably look the same but the contrast and video performance are leagues apart.
Back a few pages zombie posted some photos
I've never been able to fully capture what I'm seeing on projector performance in a photo either. There's too many issues. You have the camera quality. Mine always have a softening effect. Then there's the degradation from posting to a hosting sites like Youtube. Trying to judge color accuracy is impossible because you end up judging the accuracy of your monitor or Ipad etc.
You can't even really fully use other people's opinions either. There is a faulty assumption that your NX5 will be the same as mine (or sufficiently similar) because it's the same brand and model. I've seen a huge variation between the best and the worst units at the home theater end of the market. You could be looking at a completely different projector sometimes.
One of the reasons for the high cost of high end projectors is the time they spend at the factory ensuring accuracy and consistency from unit to unit. On a $5k projector they leave the calibration and fine tuning up to the user but there are some things that can't be adjusted. E.g. If you happened to get the bottom 10% of lens quality, you'll have a softer image and inferior real world contrast to the hand-picked review unit with the top 5% of components.
Scientific readings might be more useful in the areas that can be objectively measured (not all can) but I'd never trust user measured data. Even if everyone measured in identical conditions (room lighting, screen size, screen color etc), which they definitely don't, the accuracy of cheap light meters and spectrophotometers etc is somewhere between poor and inconsistent.
When I used to use my light meters to answer customer's questions on the optical gain of screens, I'd see 5 different results from 5 handheld light meters. They also have very poor sensitivity to low light levels. I.e. You can't measure black levels properly using cheap handheld light meters.
You can't even trust the supposedly "professional reviewers". I've seen more than one measure black levels with the light on so they could read their light meter and laptop screen...
And... most importantly (IMO) is that you should pair the projector to the right screen. Intuitively, you'd want to use the same screen to compare each projector to make it "fair". But, that would be like comparing the worlds fastest car to the worlds quickest speed boat and insisting that they both race on the road. I.e. a 1200 lumen JVC would perform poorly on a darker colored screen and be most at home on a small to medium size white screen. A 10,000 lumen pro grade device would look best on a dark color screen or on a very large white or gray one.
This is another reason I prefer to buy used projectors - so I can try them myself and sell them on without a loss if they disappoint me. It's harder than it sounds to trust yourself over the internet opinions though. People take comfort in peer reassurance. It's not enough that I like it. Other people have to agree. It doesn't matter that the guy saying it's "the best projector at any price" has only seen 6 others. If they're talking about the one I just bought, I want to believe it. If they have a graph to prove it, even better....