产品功能

应用市场介绍

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.

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