Optoma EW675UT Calculator
Ultra-short throw projector with 0.31:1 throw ratio
Model: Optoma EW675UT |
Resolution: 1280×800 (WXGA) |
Native Aspect: 16:10 |
Throw Ratio: 0.31:1
Input Parameters
projector to screen distance
width / height ratio (default 16:10 = 1.6)
projection width
projection height
✓ All values synchronized
Formulas (Fixed Throw Ratio):
Distance = 0.31 × Width
Width = Distance ÷ 0.31
Height = Width ÷ Aspect_Ratio
Offset = 0.295 × Height (29.5%)
Distance = 0.31 × Width
Width = Distance ÷ 0.31
Height = Width ÷ Aspect_Ratio
Offset = 0.295 × Height (29.5%)
Calculated Output
Projection Distance
77.0cm
Projection Width
248.0cm
Projection Height
155.0cm
Diagonal Size
292.9cm
Height Offset
45.7cm
Offset Ratio
0.2950
Throw Ratio
0.3100