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New projector for 4:3 screen

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  • New projector for 4:3 screen

    Hi!

    We got an old Full Swing Golf LS 3 simulator, 13 years old still kicking, and I'm looking to replace the projector. I've looked at the numbers and used Projector Central, but still remain a bit confused about how it all works.

    Some info:
    • The screen is 4:3 and software resolution is 1024x768.
    • The screen is 350 cm wide and about 265 cm high. (350x262 is 4:3)
    • Throw distance is today 470 cm, but can potentially be adjusted backwards to 500 cm. Maybe a bit, but preferably not too much.
    • Projector is mounted 250 cm from the floor.
    • I'm in Norway, Europe.
    I understand throw ratio, but got a bit confused since all the projectors I've looked at has 16:9 or 16:10 native. I think I've started to understand, and my calculations with W:350 and D:470 is that it gives a ratio of 1.34, but that is in 4:3-mode. If a 16:9 native running in 4:3 means you use the 16:9 picture and just cut off the edges, that means I need to use calculations with a height of 262. For 16:9, that means the width is 466 cm. When I calculate the throw ratio now, I get 470/466 = 1.01.

    Do I understand correctly how 4:3 works on a 16:9 projector based on what I've written above?

    I quickly realized that the selection of projectors with a throw ratio of 1 is pretty slim, and some of the models I found were 2-3 years old. I only got the models available in Norway to choose from. I first looked for a 4:3 model, but eventually gave up and started looking at 16:9.

    How does zoom play into all of this? Is it an option to buy a projector with a ratio that doesn't fit the screen, but use the zoom function, or will that give a poorer picture quality?
    Edit: Just realized that the throw ratio range is the range where zoom comes into play. I got a bit confused since the Projector Central throw distance tool shows the projector itself moving back and forth when you adjust zoom range. This knowledge helps me understand a bit more. If my thoughts on 16:9 and 4:3 are correct, that means I can use projectors that has 1.1 in the throw ratio span if I move it back to throw distance of 510 and 1.15 if I move it back to 530 cm. Still a limited selection, but it adds some options.

    The models I've looked at so far is Epson EH-TW610 and Epson EB-1780W.

    Thanks.
    Last edited by ZGolf; 08-05-2019, 11:57 AM.
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