Optoma HD28DSE vs Optoma HD28HDR review
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Common
Product
Optoma HD28DSE
Optoma HD28HDR
Model
HD28DSE
HD28HDR
Brand
Optoma
Optoma
Rating
4.0
Reviews
272
Translation properties
Projection system
DLP
DLP
Native resolution
1920 x 1080
1920x1080
Aspect ratio
16:9
16:9
Pixel number
1024000
2073600
Brightness
3000 lumens
3600 lumens
Color reproduction
1073.4 million
1.07 billion
Contrast ratio
30000:1
50000:1
Throw ratio range
1.48 - 1.62
1.47 – 1.62
Lamp
Lamp type
210 W
240 W
Lamp life
Normal mode
5000
4000
Eco mode
6000
15000
Lens
F-number
2.5 - 2.67
2.1 – 2.3
Focal length
21.9 - 24 mm
15.6 to 17.1 mm
Lens shift
has not
Zoom ratio
1.0 - 1.1
1.0 - 1.1
Interface
HDMI
2
2
D-sub 15pin
1
has not
Composite video (RCA)
1
has not
Audio L/R (RCA)
1
has not
Audio out (Mini Jack)
1
1
USB (Type A)
1
1
USB (Type mini-B)
1
has not
RS232 (DB-9pin)
has not
has not
Sound
Integrated speaker
Speaker power
10 W
5 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 +- 40 degrees
vertical +-40 degrees
Keystone correction auto
Operating distance
19 ft
19 ft
Security functions
Audible noise
Normal mode
28 dB
Eco mode
28 dBA
26 dB
Operating temperature
Min
5 C
5
Max
45 C
40
Features
Color
black
white
Wireless
Remote control
Mouse functions
Warranty
1 Year
1 year
Dimensions
Product size
12.4 x 4.0 x 8.8 inches
9.5 x 12.4 x 4.3 inches
Product weight
5.5 pounds
8.50 pounds
Optoma HD28DSE overview
Optoma HD28HDR overview
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