Epson 8100i User Manual download pdf (Page 108)

102 Technical Specifications

Short Throw Zoom Lens (ELPLW01)

To determine the diagonal size of an image when you know the

projection distance:

■ Inches:

Maximum diagonal size = (0.876 × projection distance) + 3.8

Minimum diagonal size = (0.730 × projection distance) + 3.0

■ Centimeters:

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:

■ Inches:

Maximum projection distance = (1.369 × diagonal size) – 4.1

Minimum projection distance = (1.142 × diagonal size) – 4.3

■ Centimeters:

aximum projection distance = (

1.369

× diagonal size)

–

10.5

inimum 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:

Diagonal size = (1.239 × projection distance) + 3.4

■ Centimeters:

Diagonal size = (1.239 × projection distance) + 8.7

To determine the projection distance when you know the diagonal

size of the screen image:

■ Inches:

Projection distance = (0.807 × diagonal size) – 2.8

■ Centimeters:

Projection distance = (

0.807

× diagonal size)

–

7.0

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Epson 8100i User Manual Page 108

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