Uploaded April 2015 | Updated September 2026, 2 weeks ago

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This video explains what the keystone effect is and how to fix it with your projector, also on how to adjust your screen and projector to look correctly in different aspect ratios, lastly a quick guide of the BenQ W1070's setting menu.

Keystone: The keystone effect, also known as the tombstone effect, is caused by attempting to project an image onto a surface at an angle, as with a projector not quite centered onto the screen it is projecting on.

BenQ W1070 (Amazon): amzn.com/B00A2T6X0K

Aspect Ratio Guide: en.wikipedia.org/wiki/Aspect_ratio_%28image%29