AVS Forum Addicted Member
Join Date: Jan 1999
Location: Gilbert, Arizona
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One more difference. I had my Sim2 C3X mounted with a throw distance of 16.5 feet, about the middle of the throw range, with 128.5" wide 2.35 curved 1.3 gain screen, with 16:9 at 96" wide.
But in 2017 I changed to the Sony VW5000, 4k and way more lumens, and went with a much larger screen, 168" wide 2.40 flat 1.0 gain screen, with 16:9 at 124" wide. At the time I again ceiling mounted, this time with a throw distance of 19.5'. The ISCO IIIL simply wouldn't have been practical at this throw distance, it would have to be mounted towards the front of the throw range with resulting poor contrast. So I didn't use the lens. I was at a throw ratio of 1.39, so when the DCR came out a few months later, being at just below the minimum recommended throw and having just paid big bucks for a Ken Whitcomb setup/calibration, I held off.
But now that I am remodeling my theater, same projector and screen, and moving the projector back some behind the rear wall/cabinets, the throw distance will be about 23.08', a throw ratio of 1.65, well within the recommended throw for the DCR lens, which I will be using. The ISCO IIIL would still not have the best contrast at this throw distance, still too close to the front of the throw range as the VW5000 can support a picture several times wider/bigger than the Sim2 projector; and of course now I have a flat screen which the DCR is designed for.
Pray for all of our healthcare providers who are doing their best at great risk to help us survive the current Covid-19 virus crisis.