Epson PowerLite X9 User Manual page 22

Setting Up the Projector
22
Image size increases with distance, but can vary depending on the
aspect ratio (image shape), how you zoom into the image, and
whether you've adjusted other image settings. Use the illustrations
and tables below to help you determine the projection distance.
(Conversion figures may have been rounded up or down.)
Center of lens
You can also use the Image Size Calculator on the Epson website.
4:3 images
Projection distance (A)
Screen size Wide to Tele
30 inches 35 to 42 inches
(76 cm) (89 to 107 cm)
40 inches 47 to 56 inches
(102 cm) (119 to 143 cm)
50 inches 59 to 71 inches
(127 cm) (150 to 180 cm)
60 inches 71 to 85 inches
(152 cm) (180 to 217 cm)
80 inches 95 to 114 inches
(203 cm) (241 to 290 cm)
100 inches 119 to 143 inches
(254 cm) (302 to 363 cm)
150 inches 179 to 215 inches
(381 cm) (454 to 546 cm)
200 inches 239 to 287 inches
(508 cm) (607 to 729 cm)
250 inches 299 to 359 inches
(635 cm) (759 to 912 cm)
300 inches 359 to 431 inches
(762 cm) (912 to 1095 cm)
Center of
lens
Offset (B)
–2 inches
(–5 cm)
–2.7 inches
(–7 cm)
–3.3 inches
(–8 cm)
–4 inches
(–10 cm)
–5.3 inches
(–14 cm)
–6.7 inches
(–17 cm)
–10 inches
(–25 cm)
–13.3 inches
(–34 cm)
–16.7 inches
(–42 cm)
–20 inches
(–51 cm)