Epson EX7240 vs ViewSonic PJD7820HD review
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Common
Product
Epson EX7240
ViewSonic PJD7820HD
Model
EX7240
PJD7820HD
Brand
Epson
ViewSonic
Rating
4.1
Reviews
155
Translation properties
Projection system
3LCD
DLP
Native resolution
1280 x 800
1920 x 1080
Aspect ratio
16:10
16:9
Pixel number
1024000
480000
Brightness
3200 lumens
3000 lumens
Color reproduction
1.07 billion
1.07 billion
Contrast ratio
15000:1
15000:1
Throw ratio range
1.3 - 1.56
1.15 - 1.5
Lamp
Lamp type
200 W
210 W
Lamp life
Normal mode
5000
4000
Eco mode
10000
6000
Lens
F-number
1.58 - 1.72
2.5 - 2.67
Focal length
16.9 - 20.28 mm
21.86 - 24 mm
Lens shift
Zoom ratio
1.0 - 1.2
1.0 - 1.3
Interface
HDMI
1
1
D-sub 15pin
1
1
Composite video (RCA)
1
1
Audio L/R (RCA)
1
1
Audio out (Mini Jack)
has not
1
USB (Type A)
1
has not
USB (Type mini-B)
1
1
RS232 (DB-9pin)
has not
1
Sound
Integrated speaker
Speaker power
2 W
2 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
Vertical +- 40 degrees
Keystone correction auto
Vertical +- 30 degrees
Operating distance
19 ft
19 ft
Security functions
Audible noise
Normal mode
37 dBA
35 dBA
Eco mode
29 dBA
29 dBA
Operating temperature
Min
5 C
5 C
Max
35 C
40 C
Features
Color
black
black
Wireless
Remote control
Mouse functions
Warranty
1 Year
1 Year
Dimensions
Product size
11.7 x 9.2 x 3.2 inches
3.3 x 8.7 x 10.6 inches
Product weight
5.29 pounds
4.6 pounds
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