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How Do I Figure Out Throw Distance?

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Elite Screens' Blog Team
2017/10/27,

Elite Screens' Blog Team

Although it’s more a question for the projector manufacturer, we get asked this a lot so it’s only fair that we share the answer with you.  The greater the distance, the bigger the picture; and this discussion has the advice and links to give more insight.

*The discussion below is based on actual chat transcripts with the omission of any personal/confidential material to protect the customer’s privacy. An example in this case is to change the contact’s identification name/number to “Customer” or a generic name.

Transcripts:

[18:15] Mike: I’m interested in either 120" Evanesce Tab-Tension B Series or possibly smaller, what is the minimum distance to throw a 120”

[18:15]        Johnny:  That is entirely up to what type of projector you will be using. The projector determines the throw distance.

[18:16] Mike: epson 2150

[18:16]        Johnny: Okay, here is the industry throw distance calculator that can determine your projector’s throw capabilities based on the manufacturer’s actual specs.  https://elitescreens.com/front/front/cms/slug/screen-calculator

[18:17]        Johnny: For a 120" image, the calculator recommends a 14' throw distance

[18:17] Mike: Do you know what it would be at 100?

[18:17]        Johnny: Yes 100 would be 12' but you may be able to have some leeway by adjusting the zoom. For that, I recommend contacting the manufacturer for more details.

[18:18] Mike: I suppose I’m trying to figure out which screen to buy between those

[18:19] Mike: and 110 would be 13'

[18:19]        Johnny: yes 110 would be 13'.  I recommend throwing an image onto your wall and adjusting the size till you are perfectly happy with what you see.

[18:19] Mike: Is that the distance of the projector? or seating position

[18:19]        Johnny: It is only the distance from the projector lens to the screen.

[18:20] Mike: So I understand that but is there a distance recommended for seating to a screen of a certain size

[18:21]        Johnny: There is. Here is a video to help with that: https://elitescreens.com/elitetube/screen_size_edu.mp4

[18:22]        Johnny: Is there anything else I can assist you with today?

[18:23] Mike: Thanks. One more; the drop seems to be 8".

[18:23] Mike: and I’m wondering if I can control how far the screen goes down or is always 8"

[18:23]        Johnny: yes 8 or 12 depending on the size screen you get.  You can adjust the vertical limit switch to determine how much drop you want.

[18:23]        Johnny: You can also reduce the drop by setting the bottom limit adjustment.

[18:24]        Johnny: Once you have the screen mounted, we can assist you on how to do that.

[18:24] Mike: Okay, perfect. Thank you very much.

[18:24]        Johnny: My Pleasure Sir. Thank you for contacting Elite Screens.