Originally Posted by kono144
I am planning to purchase this projector which will be my first projector purchase. I have two placement options which I am hoping someone could provide me some advice on. I have a room that is 14W x 22D with 8 foot ceilings. I am planning to purchase the Panasonic projector and a video scalar such as the VP30.
My question is on placement. I have the option to installing the projector at 9ft or 14ft. Do to a soffit running across the ceiling of my room, I really prefer to place the projector in front of the soffit which will provide the projector with a 9ft throw distance in stead of placing the projecter at 14ft which will require a extented ceiling mount to get below the soffit.
I am looking to get a 80", 84", 88", or 92" screen. I prefer to get the largest screen possible with the 9ft throw distance.
What will be the negative consequences of placing the projector very close to the minimum of distance for the size of the screen chosen? Would I notice a difference in picture quality between a 80" and 92" screen if I placed the projector at 9ft. Or should I strongly consider on placing the projector at 14" because I will get a noticeably better picture quality regardless of the screen size chosen?
Based on the projector calculator. Minimum distance for the screens are as follows:
80" - 7'11"
84" - 8'4"
88" - 8'9"
92" - 9'2"
Just remember that you should measure the throw distance from the front of the lens, minus about 1/4 to 1/2" for the screen distance from the wall.
So, a 9' throw might suddenly become an 8.5' throw. With the Panasonic, the screen size in inches is basically the throw distance in feet x 10, so that would limit you to an 84" screen or slightly larger.
In my case, it's 8'10" (or 8.83') from the front of the projector to the wall. By that equation I can get an 88" screen, with reality being just over 89" with my actual measurements.
So, I'm thinking of getting an 86-87" screen so that I have some room for adjustments.
In your case, if your true max screen size is about 85", then 84" would be the absolute maximum I'd consider, and perhaps would consider a screen of 82"-83" instead.
What this says though is before you order your screen, you'd want to place your projector at the exact mounting position first, and then test:
1) Max screen size
2) Image quality/brightness
3) Whether or not it looks big enough for you.
4) Screen height options with the lens shift
Re: #4. If you mount your projector up high at a 8.5-9' throw distance, the screen height may just be too high if you flush mount it. The lens shift on this AX200U is substantial, but not substantial enough if your ceiling height isn't low, and you mount the projector up close.
In my case with the 8'10" throw and 94" ceiling, a flush mount simply wouldn't work. With the near flush mount I got, the centre of the lens was probably around an 87" height, which made the screen too high for my tastes.
I ended up dropping the projector another 10-11ish inches to get the height I liked, and that's with using nearly all the lens shift. Actually, right now I dropped it a total of 12 inches so I'm not at the extreme end of the lens shift. I didn't need to do that because the image quality was fine even with extreme lens shift, but I didn't have any room left over for more adjustments of image position. At this new height, my lens is at 75" (6'3") above the ground, and the lowest part of the projector is at 73" (6'1") above the ground.
Here is a pic with 11" extension. It's a standard Sanus universal mount, but with the 8" extender option, and then with an added ugly piece of 1" diam plumbing pipe and connector. (The threads used are the same as the mount.)