Hi,
The best format really depends on what you are using the screen for and which equipment you are using (most importantly your projector).
Common formats are:
For business use 4:3 mainly, 16:9 is common, 16:10 rare
For home use: 16:9 is common, 1:2.35 is rare
Otto Tromm
Beamax
Robinson Projection because it has minor distortions, the sizes and shapes near the eastern and western edges of the map are accurate, and outlines of the continents appear much as they do on the globe.
A portable projection screen can be purchased in person at Best Buy, OfficeMax or Staples. One can also purchase a portable projection screen online at Amazon or eBay.
A Winkle Tribal map projection is a modified azimuthal map projection. This is one of three projection.
The Mercator projection shows North America, Europe, and Asia closer together than they actually are. This projection distorts the size of land areas as it gets further from the equator, making countries near the poles appear larger than they are in reality.
The type of map projection used by pilots is called a Polar Projection. It shows the Earth from one of the two poles, which helps show what is known as The Great Circle Route. This states that if you live on a rounded object such as the Earth, you travel on a curved line. This makes a Polar Projection the best choice and most commonly used map projection used by pilots.
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Yes.
Portable projection screens are made by several manufacturers and the screens come in a wide variety of styles and sizes. Manufacturers include the 3M company.
There are numerous home entertainment websites that feature reviews on the high end rear projection screens like the official website of Home Theater. Amazon also features a great set of reviews on the projection screens.
Projector screens are becoming a common item in the home. ProjectorScreenStore.com has literally thousands of options and prices for projection screens, all of which can be viewed and ordered right on their website.
There are many merchants that offer free shipping on projection screens. The Projector Screen store (www.projectorscreenstore.com) and amazon are among the notable merchants.
You can find more information on projection screen online and at an electronics store. At an electronics store like best buy, the staff will be able to give you accurate information.
Elite Screens is a company that sells many very high quality commodities. Elite Screens is a company that sells projection screens of great length, even up to 135".
The limitations in home theater projection screens are really in how bright the bulb for your projector is and how big your wall is. A paint on screen if done correctly can look as good or better than many screens. Make sure you do your research and know what to get, a good place to start is : http://www.paintonscreen.com/
Draper projection screens are sold through Draper Inc, Projector People, and Projector Central. All three sources carry draper projector screens for home theater systems.
When you use screens types other than a specifically made projection screen, they can compromise the image quality and degrade color reproduction and brightness.
If you are planning on giving a lecture or presenting something to a group of people you don't have to use a projection screen, you could just use a blank wall, but having an actual screen is more professional. The screens are designed and created to give you the best picture quality possible whereas using a wall some of the sharpness of the picture will be lost. There are multiple kinds of projection screens (portable, manual, electric and rear) so if you plan on buying one you will need to research what will work best for you. Try this site for more information: http://www.projectorpoint.co.uk/projector-screen-advice.htm