OHP distance from wall?

Mr Baines · 19th April 2005, 04:53 AM

hello, I am awaiting delivery of my new (and first) OHP. i already have my new (and first) LCD Panel.
What i want to know is how far from the screen/wall will I have to place the OHP to have the screen size I want?

Here are the specs so you will know what equipment i'm using:

LSK VD Magic II LCD panel which is 10" screen size.
3M 9700 OHP 4300 lumens.
The width of my room is 9 feet four inches.
So bearing all this in mind, what is the biggest screen size I can get from 9 feet four inches away?
Thanks.

BTW I know that there's a formula for working this out, its something like D = F ( S/A + 1 ) .But Im not clever enough to work this out for myself lol.

Maximouse · 20th April 2005, 10:46 AM

I just put one of my 10" panels on my OHP and placed the unit exactly 9'4" from my screen (screen to rear of OHP).

The result was a screen image of 74" diagonal.

Hope this helps.
Al

19th April 2005, 04:53 AM	#1
Mr Baines diyAudio Member Join Date: Apr 2005 Location: England	OHP distance from wall? hello, I am awaiting delivery of my new (and first) OHP. i already have my new (and first) LCD Panel. What i want to know is how far from the screen/wall will I have to place the OHP to have the screen size I want? Here are the specs so you will know what equipment i'm using: LSK VD Magic II LCD panel which is 10" screen size. 3M 9700 OHP 4300 lumens. The width of my room is 9 feet four inches. So bearing all this in mind, what is the biggest screen size I can get from 9 feet four inches away? Thanks. BTW I know that there's a formula for working this out, its something like D = F ( S/A + 1 ) .But Im not clever enough to work this out for myself lol.

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20th April 2005, 10:46 AM	#2
Maximouse diyAudio Member Join Date: Feb 2005 Location: Toronto, Canada	I just put one of my 10" panels on my OHP and placed the unit exactly 9'4" from my screen (screen to rear of OHP). The result was a screen image of 74" diagonal. Hope this helps. Al

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