Epson EX21 User Manual

16 Setting Up the Projector
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.
4:3 images
Center of
lens
Center of
lens
Screen size
Projection distance (A)
Wide to Tele Offset (B) Wide
30 inches
(76 cm)
34 to 47 inches
(87 to 119 cm)
–1.7 inches (–4 cm)
50 inches
(127 cm)
58 to 79 inches
(147 to 200 cm)
–2.8 inches (–7 cm)
60 inches
(152 cm)
70 to 95 inches
(177 to 240 cm)
–3.4 inches (–9 cm)
70 inches
(178 cm)
82 to 110 inches
(207 to 281 cm)
–4 inches (–10 cm)
80 inches
(203 cm)
93 to 126 inches
(237 to 321 cm)
–4.5 inches (–11 cm)
100 inches
(254 cm)
117 to 158 inches
(297 to 402 cm)
–5.7 inches (–14 cm)
150 inches
(381 cm)
176 to 238 inches
(447 to 605 cm)
–8.5 inches (–22 cm)
200 inches
(508 cm)
235 to 318 inches
(597 to 807 cm)
–11.3 inches (–29 cm)
300 inches
(762 cm)
353 inches
(897 cm)
–17 inches (–43 cm)
350 inches
(889 cm)
412 inches
(1047 cm)
–19.8 inches (–50 cm)

Epson EX21 Specifications

Projection

projection system	Epson 3LCD, 3-chip technology
white light output	2200 lumens
color light output	2200 lumens
aspect ratio	4:3
native resolution	800 x 600 (SVGA)
resize resolution	640 x 480 (VGA)
contrast ratio	2000:1

Power

power supply voltage	100 – 240 V ±10%, 50/60 Hz
power consumption	246 W, 3 W standby
lamp type	170 W UHE

Operating Environment

operating temperature	41 ˚ to 95 ˚F (5 ˚ to 35 ˚C)
lamp life in ECO mode	Up to 4000 hours
lamp life in normal mode	Up to 3000 hours
fan noise in normal mode	35 dB
fan noise in ECO mode	28 dB

Lens

lens type	Digital zoom/Manual focus
f-number	1.44
focal length	16.6 mm
zoom ratio	Digital zoom 1.0 – 1.35

Weight and Dimensions

dimensions including feet	12.9" x 9.6" x 4.0"
dimensions excluding feet	12.9" x 9.6" x 3.6"
weight	6.0 lb