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Trying to put up a projector and screen

I'm wanting to know the distance between the screen and the projector.the screen is a 100 inch model B. the projector is xv-s55u

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Re: trying to put up a projector and screen - SharpVision XV-S55U Multimedia Projector Multimedia Projectors

13 feet 5 inches.

Posted on Aug 19, 2009

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My projector dont show fuii screen,it show pictur but no full size

Couple of things here. Is the projector at the proper distance from the screen? (aka throw distance). If it as at the proper distance from the viewing surface then, if available, check and use your zoom.

Aug 22, 2014 | Multimedia Projectors

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How to figure out distance for projector install

Short Answer:
The distance calculation is the diagonal size of the screen times the throw ratio of the projector (x/12 for feet).
If the projector has a physical zoom this plays in as well, throw ratios are usually displayed at 1x or for the whole range (e.g. 82C; 1.2 zoom means 1.43-1.71 throw).

Light calculations are somewhat inside the scope of this question, but suffice it to say, they aren't fun to do IMHO which is why I like the online calcs for a quick reference. Rule of thumb, the brighter the room or bigger the picture, the brighter the need.

If you don't want to do the calculations yourself, there are hundreds of calculators out there. Projector Central has a good distance calculator that is preset for actual projector specs. I use it often so I don't have to mess with the calculations. Just go to their website and select "Calculator Pro" at the top. It even does estimated light readings (we aim for 80fL because of the bright room environment we have to deal with, but for controlled lighting 30-50 is a good range too.)
There are also apps available on Android and iOS like AV Tools or Alford Calc.

If you want to do precise calculations, you need to know the size of your screen, the throw ratio of the projector and the brightness of the projector (and the brightness of the room) and the reflectivity of the surface (gain).
The latter two of these deal with picture intensity, the fact as your image gets smaller, the image gets brighter; to a point that it can be uncomfortable to watch. The opposite is also true, that as the the image gets larger, it gets darker since the amount of light coming from the projector doesn't change.
And finally, the more ambient light in the room, the darker or more faded the image will appear as it competes with other light sources.

Jan 19, 2014 | Epson PowerLite® 83c LCD Projector

1 Answer

LG PF80G can not focus the entire image

If the unit is at a strong angle to the screen, you may need to reduce it. With the projector mounted high, the bottom of the screen is further away. The projector focuses the entire image the same and cannot compensate for the difference in distance.

Nov 08, 2013 | Multimedia Projectors

1 Answer

We are a conference facility with a large projection screen we have recently bought a Vivitek projector and we are having problems making the picture small enouhg to fit on our Theatre screen the further...

You can go to the Vivitek website and they have a handy distance calculator to help you know the correct distance to place your projector from the screen to achieve an appropriate size.

Mar 07, 2011 | Vivitek D945VX Projector

1 Answer

I have an OPTOMA H27 projector, I am experiencing problems with the quality of the video images displayed. I set the focus by using the internal menu as an image reference. However when I view DVD/Video...

if u are using the composite video the try component video. composite video will dive u a dull image than component one. also check the distance between the projector an screen.Make sure the projection screen is between the required distance 4.9 to 40.7 feet (1.5 to 12.5 meters) from the projector.

Dec 30, 2010 | Optoma H27 DLP Multimedia Projector

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Pls help how to correct the blury display on the screen..i have tried adjusting the Zoom to normal position and the display is still blury not very clear

first the obvious: is the lens clean?

the designed throw distance on that model is 5' - 29'. if your projector is outside that, it won't be able to focus. if it is within that distance, reset the settings in the menu to factory default. if that doesn't help, you may have physical damage to the lens assembly.

Dec 02, 2009 | Epson EMP-S3 Multimedia Projector

1 Answer

How to adjust for distance from the screen

I think I found the answer, I found a manual online for it. And I found a page that gave all the specs on it. I believe the specs page has the answers I was looking for. It specified the zoom and focus are manual adjustments. My co-workers will try that this morning

Jun 22, 2009 | Dell 2300MP Multimedia Projector

1 Answer

Screen is not a true square: One verticle side shorter than other

Simply just manualy adjust the bottom of the screen by adjusting the distance by an inch or so.
Depending on what screen you have adjust it from behind or vith a thin thread

May 19, 2009 | Optoma HD70 DLP Projector

1 Answer

Distance from projector to screen

I need to know what screen size you are looking to get and the dimensions of your room


Jordan Thomas
Port City AV
910 538 2754

Nov 05, 2008 | Panasonic PT-AX100U-EC DLP Projector

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