Epson EX7240 vs Epson PowerLite 1781W review
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Common
Product
Epson EX7240
Epson PowerLite 1781W
Model
EX7240
PowerLite 1781W
Brand
Epson
Epson
Rating
4.1
4.2
Reviews
155
47
Translation properties
Projection system
3LCD
Liquid Crystal Shutter
Native resolution
1280 x 800
1280 x 800
Aspect ratio
16:10
16:10
Pixel number
1024000
1024000
Brightness
3200 lumens
3200 lumens
Color reproduction
1.07 billion
1.07 billion
Contrast ratio
15000:1
10000:1
Throw ratio range
1.3 - 1.56
1.04 - 1.26
Lamp
Lamp type
200 W
214 W
Lamp life
Normal mode
5000
4000
Eco mode
10000
7000
Lens
F-number
1.58 - 1.72
2.0 - 3.17
Focal length
16.9 - 20.28 mm
22.5 - 47.2 mm
Lens shift
Zoom ratio
1.0 - 1.2
1.0 - 2.1
Interface
HDMI
1
1
D-sub 15pin
1
1
Composite video (RCA)
1
1
Audio L/R (RCA)
1
Audio out (Mini Jack)
has not
USB (Type A)
1
1
USB (Type mini-B)
1
1
RS232 (DB-9pin)
has not
has not
Sound
Integrated speaker
Speaker power
2 W
1 W
Sound type
mono
mono
Resolution support
640 x 480
1024 x 768
1280 x 800
1400 x 1050
1920 x 1080
Video compatibility
NTSC
PAL
SECAM
3D
Settings
Keystone correction manual
Horizontal +- 30 degrees
Horizontal +- 30 degrees
Keystone correction auto
Vertical +- 30 degrees
Vertical +- 30 degrees
Operating distance
19 ft
19 ft
Security functions
Audible noise
Normal mode
37 dBA
39 dBA
Eco mode
29 dBA
30 dBA
Operating temperature
Min
5 C
5 C
Max
35 C
35 C
Features
Color
black
black
Wireless
Remote control
Mouse functions
Warranty
1 Year
2 Years
Dimensions
Product size
11.7 x 9.2 x 3.2 inches
15.5 x 17.7 x 5.7 inches
Product weight
5.29 pounds
16.1 pounds
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