Originally Posted by R Harkness
It has worked out very well. It's nice and bright for most content at most image sizes. When I go to 118" or 125" wide I need to crank open my RS57's iris to between -6 to -1 or so, to get a punchy image at that size.
It's been the best compromise I could find between "bright enough" and "very little screen texture" and "wide viewing angles." Most of the time the screen just "disappears."
(My friend uses a Graywolf screen, a gray screen with aggressive optical coating to get it to something like 1.4 gain. The speckly screen texture is so pronounced it is quite distracting
to me. Further, I was very surprised at how much the optical coating affected the clarity of the image. I sold him my previous RS55 so I was really used to how sharp it looked.
But no matter how hard I tried to focus the image on his screen - I could see the blurring of the pixels up close - it's never had that amazing sharpness I got on the ST-130
screen material at home).
Good to hear.
This is my first front projection set-up and I've had everything up and running for almost two months now.
I've come to realize just how crucial and what an impact a screen plays in front projection and your viewing environment.
I had initially purchased the JKP HD Progressive 1.1 gain (2:35, 108" wide) paired with my RS4810. While I really liked the screen and had more than enough brightness with the gain given how dark my room is and how I don't like a very bright image, I started seeing sparkles and shimmering in bright areas of the image. I wasn't even looking for them - it just happened and became annoying to me. The last time I recall seeing such an effect was on a previous Sony SXRD RPTV where that was actually much worse. So, I ended up swapping it out for the their 0.9 gain material and it is a huge improvement. The sparkle is gone. If you look hard for it, at times, you can see just a tad bit of shimmer in bright areas but it's so slight it's not even an issue. I mean you can watch anything and not have it stand out to you like before.
I had gotten screen samples of the Carada Brilliant White and Classic Cinema White. However, even though they are technically a higher gain, they just lacked in imagine quality in comparison to the HD Progressive 0.9 IMO. They looked dimmer, less lively and less vibrant. Color just didn't reflect or "pop" as much. I even showed this to my girlfriend and my calibrator as they agreed. I spent a number of hours looking at different material and various colors projected at the samples on the screen and it always looked that way. I am not saying they are bad screens by any means, but just we all much preferred the HD Pro. It might have even displayed content a hair sharper. Indeed, it must be something with the optical coatings that helps this effect although the HD Pro does have a smooth surface. I also still saw a tiny bit of shimmer with the Brilliant White but no more compared the HD Pro 0.9. I didn't look as hard on the Classic Cinema because that was just not going to work for me based on what I saw.
I also notice blacks are a tiny bit improved with the 0.9 vs the 1.1. I assume this is because of the lower gain and I did lower the light output a bit too. However, after the re-cal to the new material, the calibration turned out just a bit better and color just seems a little better. The color of the screen material of the HD Pro 1.1 and 0.9 is very different. The 1.1 leans more towards a cream color where as the 0.9 leans more toward a grey and is closer to 6500K according to my calibrator.