Optoma EH500 vs ViewSonic PJD7820HD review
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Common
Product
Optoma EH500
ViewSonic PJD7820HD
Model
EH500
PJD7820HD
Brand
Optoma
ViewSonic
Rating
4.1
Reviews
145
Translation properties
Projection system
DLP
DLP
Native resolution
1920 x 1080
1920 x 1080
Aspect ratio
16:9
16:9
Pixel number
1024000
480000
Brightness
4700 lumens
3000 lumens
Color reproduction
1.07 billion
1.07 billion
Contrast ratio
10000:1
15000:1
Throw ratio range
1.59 - 1.91
1.15 - 1.5
Lamp
Lamp type
310 W
210 W
Lamp life
Normal mode
3500
4000
Eco mode
6000
6000
Lens
F-number
2.5 - 2.76
2.5 - 2.67
Focal length
23.5 - 28.2 mm
21.86 - 24 mm
Lens shift
Zoom ratio
1.0 - 1.2
1.0 - 1.3
Interface
HDMI
2
1
D-sub 15pin
1
1
Composite video (RCA)
1
1
Audio L/R (RCA)
1
1
Audio out (Mini Jack)
1
1
USB (Type A)
has not
has not
USB (Type mini-B)
1
1
RS232 (DB-9pin)
1
1
Sound
Integrated speaker
Speaker power
3 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
Vertical +- 15 degrees
Vertical +- 40 degrees
Keystone correction auto
Operating distance
19 ft
19 ft
Security functions
Audible noise
Normal mode
35 dBA
Eco mode
26 dBA
29 dBA
Operating temperature
Min
5 C
5 C
Max
40 C
40 C
Features
Color
black
black
Wireless
Remote control
Mouse functions
Warranty
1 Year
1 Year
Dimensions
Product size
12.8 x 10.2 x 4.3 inches
3.3 x 8.7 x 10.6 inches
Product weight
8.5 pounds
4.6 pounds
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