Epson 8000i - Manual (Page 77)

Positioning the Projector 67
To determine the projection distance when you know the diagonal size
of the screen image:
❐ Inches:
Maximum projection distance = (3.492
× diagonal size) - 5.091
Minimum projection distance = (2.053
×
diagonal size) - 4.795
❐ Centimeters:
Maximum projection distance = (8.8696
×
diagonal size) - 12.9311
Minimum projection distance = (5.214
×
diagonal size) - 12.1793
Short Throw Zoom Lens Calculations (ELPLW01)
To determine the maximum and minimum diagonal size of an image
when you know the projection distance:
❐ Inches:
Maximum diagonal size = (0.876
×
projection distance) + 3.793
Minimum diagonal size = (0.730 × projection distance) + 3.029
❐ Centimeters:
Maximum diagonal size = (2.2250
× projection distance) + 9.6342
Minimum diagonal size = (1.8542
×
projection distance) + 7.6936
To determine the projection distance when you know the diagonal size
of the screen image:
❐ Inches:
Maximum projection distance = (1.369
×
diagonal size) - 4.147
Minimum projection distance = (1.142
×
diagonal size) - 4.331
❐ Centimeters:
Maximum projection distance = (3.4772
×
diagonal size) - 10.5333
Minimum projection distance = (2.9006 × diagonal size) - 11.0007
80009000.book Page 67 Monday, November 1, 1999 9:35 AM