Epson PowerLite 8200i User Manual page 108

Technical Specifications
102
Short Throw Zoom Lens (ELPLW01)
To determine the diagonal size of an image when you know the
projection distance:
Inches:
I
Maximum diagonal size = (0.876 × projection distance) + 3.8
Minimum diagonal size = (0.730 × projection distance) + 3.0
Centimeters:
I
Maximum diagonal size = (0.876 × projection distance) + 9.6
Minimum diagonal size = (0.730 × projection distance) + 7.7
To determine the projection distance when you know the diagonal
size of the screen image:
I Inches:
Maximum projection distance = (1.369 × diagonal size) – 4.1
Minimum projection distance = (1.142 × diagonal size) – 4.3
Centimeters:
I
Maximum projection distance = (1.369 × diagonal size) – 10.5
Minimum projection distance = (1.142 × diagonal size) – 11.0
Fixed Short Throw Lens (ELPLR01)
To determine the diagonal size of an image when you know the
projection distance:
Inches:
I
Diagonal size = (1.239 × projection distance) + 3.4
Centimeters:
I
Diagonal size = (1.239 × projection distance) + 8.7
To determine the projection distance when you know the diagonal
size of the screen image:
Inches:
I
Projection distance = (0.807 × diagonal size) – 2.8
Centimeters:
I
Projection distance = (0.807 × diagonal size) – 7.0