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Lens Ratio Calculator

You can use the below calculator to work out what lens ratio you need on your projector. Simply enter your desired projected image width in the first field, and how far you will be putting the projector away from the screen (your ‘throw distance’) to get the correct lens ratio. Note that many lenses have a ‘zoom range’ between two ratios. 

Once you have your lens ratio, you can check if it’s available from our hire stock here.

If your desired lens ratio isn’t available for hire, you can try adjusting your screen width or throw distance to get it into an acceptable range. If you need help, just give our hire or production teams a call on 01179 727 123.

Looking for our lighting beam angle calculator? CLICK HERE

Projector Lens Ratio Calculator