Widescreen Math
ThrowDistanceCalculatorwasupdated!Whenyoucalculatethrowdistanceofournewprojectorsandlenses,don'tmissoutthiscalculator!,Aprojectioncalculatorisusedtocalculateascreensizewhenaprojectorisaspecificdistanceawayfromthescreen.Asyoumoveaprojectorawayfrom...。參考影片的文章的如下: