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When should I use Ambient Light Rejecting ALR Materials?

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Elite Screens' Blog Team
2018/02/14,

Elite Screens' Blog Team

There are times when a regular matte white projection screen will work just fine. However, there are other times when a specialized material is required. This customer knows that with the amount of ambient light in her facility, a good material will be required to deal with the glare and its washout effects. Here are useful tips on the right materials to use and when to use them.

*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:

[16:38] Customer: What is the best projector to purchase when using rear projection indoors with various light situations?

[16:38] Customer: We would just like to make sure it will be bright enough to view

[16:38]        Rick I’d be glad to help.  I strongly recommend either an ambient light rejecting screen or a rear-projection screen material.  

[16:43]        Rick : Here is the link for our various rear-projection screens  https://elitescreens.com/index.php/products/rear-projection-screens and here is the link for our ambient light rejecting screens https://elitescreens.com/index.php/products/ambient-light-rejecting-screens

[16:44] Customer: Awesome thanks  Ambient light rejecting looks like the most convenient.

[16:49]        Rick : Either of our Cinegrey 3D or 5D materials will serve you well.  The “5D” is a bit more reflective (brighter).  I also have a video for you on the various projector screens and when to choose them. https://elitescreens.com/elitetube/Selecting_a_screen_material_for_my_home_theater_cc_720.mp4  

[16:50] Customer: Our main use is for career fairs which are usually dimmed lighting or normal indoor light

[16:50] Customer: Would you have an idea how many lumens would be needed for best viewing and clarity?

[16:51] Customer: You said depending on the projector...we need to know the best specs to go with

[16:53]        Rick : from my personal experience, i have used a 2300 Lumen projector and have a clear picture to view. the room has a large window. if you have a projector above this lumen output you will be fine and have a decent clear picture, as long there is not direct sunlight hitting the screen.  Here is a nice article we made on ambient light rejecting materials versus matte white materials. https://elitescreens.com/front/front/newsdetail/news/351  

[16:53] Customer: Perfect.  I have a 3500-lumen projector so now I won’t worry about it. Thanks.

[16:54]        Rick : It’s my pleasure.  Thank you for choosing Elite screens.