Originally Posted by blee0120
It's going to be about 184in diagonal. It will be at least 180in for sure but no more than 184in since the height is only 8ft. Since I'm using a Optoma GT720, I will have no problem with lumens. I have an outdoors 220in and it lights it up good. I have a nice theater in my place. I have a 120in using a JVC RS55 and a 75in using an acer h5360 in my bedroom. I just needed to know the type of paint and the bedroom is big and will have no problem projecting on the entire wall like I have done many times with my GT720.
Originally Posted by blee0120
I bought the my Optoma for this reason to projector at 180in+. Me and my brothers play call of duty and nba 2k in his living room and we get a 160in image from about 9 ft away. It's very enjoyable. It will just be for video games and occasions sports but I will do my movie watching on my JVC RS55
Seems straightforward to me. But a few important issues (...well one for sure...) need to be considered.
Your PJ has no zoom, and would have to be at a fixed distance of 9.2' from the wall. More importantly is the amount of Image offset at that size/distance. The top or bottom of the screen's edge is going to be almost a full Foot (11.8") down...or up from the center of the lens, dependent on it being either ceiling or "floor" mounted.
If your using a Auto Keystone feature, bear in mind that the larger the image, the more pronounced any deleterious effects of image quality "might be". The real root of any issue is the degree of tilt needed...and with an image that is a full 95" tall (180" = 95" x 153"), I'm stretching to see how you'll get the full 95" even if the room just has 3.25" Base Trim.
Seems like you might....at the most...have to scale back to 174" diagonal (92" x 147") to give you clearance over the Base and 1" between the Ceiling and Screen's edge.
A ceiling mount seems the only practical choice, and it'll have to be the absolute lowest profile one you can get. If not already selected, that would be a Chief RPA (PJ Specific) mount for the 720.
.....and even then you'll still have to give the 720 a slight "upward" slant to get the image where you want it at 174" diagonal, and count on Key-stoning to not be too bad and correcting the resultant trapezoid..
All up inside your business, ain't I?
Just force of habit...especially when people start talking about "The Really Big Picture". We all want it...and it's never been easier or less expensive. But if it's not done right or even just less than expected / hoped for...it's not very far from being all just "The Big Bummer". Or worse..."The Big Ugly!"
But as I said, it's getting easier to avoid those worst case scenarios. In your case, I see mostly logistical Red Flags, not so much as any "Performance-oriented" ones.
Did you ask a question about paint? Hmmmmm....let's see.
OK, you spoke of the expensive Mfg for DIY" Screen paints. I know from some small degree of experience that there are only a very few of those whose attributes match their performance claims. Those that do come close...they are indeed the most expensive of all, because they (Mfgs) feel/know that your getting a bargain compared to a high quality Mfg Screen. So you gotta ante up at least their price point. They are not going to give it away, especially in a growing market that is just now really starting to appreciate what image quality can really mean.
True DIY'ism on this Forum has about a $225.00 limit...and that usually includes the Substrate material, a Electric HVLP Sprayer, and all the paint you'd need to paint even the size landscape your talking about.
But if you can...and are using the Wall.......then the overall cost of a 1.3 Gain "Rollable" or "Spray-able" paint job would plummet to about $70.00 if you used a more simpler High Performance mix such as RS-MaxxMudd LL
The 720 isn't anybodys idea of a Low Lumen PJ...but at 174" it's still only be 13 lumen bright. With 1.3 gain it's jumping to 17 lumen...and that is just fine with "controlled" (not "Black-out") lighting when using RS-MM LL. Even gamers can appreciate some illumination where they must stand, and indirect lighting 9' back from the Screen isn't going to affect the image quality with the prescribed paint.