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You will get different answers from different people that see stuff differently. I have no complaints about image stability on the RS-420 compared to the other projectors I have here when it comes to watching movies, for HTPC use there is a bit of noticeable flicker only visible on brighter colors while reading in the browser. Comparing to an Optoma DLP, the image stability looks similar in movies, but the Optoma 4k has better motion. The Optoma may be going back, it's got a bit of a color uniformity issue, pretty horrid black levels, its own flickering issues, and I mainly just bought it for 3D anyways. Not that the 3D on the JVC is poor, but I still get ghosting on some scenes. Flickering in 3D never bothered me much, but the ghosting still does (weird how we are all bothered by different things).
However, there are three things that do bother me about the JVC...
1) I would prefer the DI to be active in low APL content instead of near 0 APL only, because the Native Contrast is a bit muddled even at -8 aperture.
2) The JVC's motion still suffers and I assume the newer ones have the same issue. People keep saying motion is improved one to the next, but I just compared (3) different JVC's at the same time, there is no improvement in motion resolution, except in CMD mode. However, that also comes with a bit more SOE.
3) The 3D is far improved, but distant shots or certain types of scenes still have the propensity to ghost a bit (at least in my setup), going to try varying glasses. Still not near "DLP clean" 3D levels.
The biggest difference between a JVC and other projectors is still motion resolution and propensity to flicker I suppose, but the motion issue is a drawback with LCOS and LCD tech, it can only be fixed so much. Sony's supposedly have better motion, but motion still looks better on DLP's to me, especially in intense action scenes. CMD mode closes the gap somewhat, but on a good DLP I don't feel the need to use CMD as much.
Last edited by coderguy; 02-10-2020 at 07:57 PM.