No DLP can ever be without RBE.
Not true, see 3-Chip DLP.
Well that’s to be expected ! The lg hu85 is a ust projector very close to screen(2-7”). That’s the reason it’s brighter ... not the laser !!!
The 9400 is not a ust it tends to get mounted by folk multiple of meters from screen
Comparing a ust to long throw projector is like comparing a monkey to a hippo
Remember, the brightness quoted for these projectors (1050 and 1900 for the Epson and LG respectively) is in ANSI Lumens which involves measuring brightness at various points across a screen, therefore the distance from the screen has already been factored into the measurement.
If you move a projector further or closer to a screen while maintaining the same screen area there will be very little change in luminance due to the distance alone. Any change will be down to changing the zoom or F-stop of the lens.
I would also add for anyone else looking at this thread in relation to the LG HU810P, Rainbow effect or RBE is a strobing effect caused by displaying the three primary colours (Red, Green and Blue or 'RGB' sequentially through the use of a spinning colour wheel. All colours are not displayed at the same time as would be the case in 3 chip DLP or LCD projectors.
This new LG makes use of a 2 laser system which has separate lasers for red and blue and uses additional light output to activate green phosphors to cover all 3 primary colours. This does away with the need for the colour wheel altogether as it is able to show all colours at the same time (similar to a 3 chip system).
See below a quote from a question put to Gregg Lee of LG (Senior Product Trainer) in relation to the LG HU810P.
For starters, it does away with the old RGB spinning wheel approach, which means better color fidelity, better color saturation, and no more 'rainbow' effect.
So from LG's point of view this projector cannot exhibit RBE which was the main thing putting me off when I found out it was a DLP as every other attribute was exactly what I was looking for in a new projector.
Full disclose, I've never seen a laser based DLP in person so I'm not sure what, if any effects might be present during viewing. The only thing I've picked up was Spare Change's review on Youtube where he briefly mention seeing RBE which had me confused given what I've just quoted above. In my opinion however, although I watch his content to get an idea of the size/finish or products and get a preview of menu's etc, I think his technical knowledge and understanding is poor so I'll save my own judgement for when I see one in person but based on what LG have said if there's any issues with RBE I'll have no hesitation sending it back.