A great tool for calculating the right projection lens or the right distance for your next video projection event.
Features:
- Calculate the right lens factor by the desired size and distance or vice versa.
- Choose either 4:3 or 16:9 aspect ratio.
- Calculate either using metric or imperial units or just use it to convert between the two .
Pro Features:
- Save unlimited events and go back to them anytime.
- Adds free.