Optoma HD28HDR review
Common
Product
Optoma HD28HDR
Model
HD28HDR
Reviews
0
Brand
Optoma
Translation properties
Projection system
DLP
Native resolution
1920x1080
Aspect ratio
16:9
Pixel number
2073600
Brightness
3600 lumens
Color reproduction
1.07 billion
Contrast ratio
50000:1
Throw ratio range
1.47 – 1.62
Lamp
Lamp type
240 W
Lamp life
Normal mode
4000
Eco mode
15000
Lens
F-number
2.1 – 2.3
Focal length
15.6 to 17.1 mm
Lens shift
has not
Zoom ratio
1.0 - 1.1
Interface
HDMI
2
D-sub 15pin
has not
Composite video (RCA)
has not
Audio L/R (RCA)
has not
Audio out (Mini Jack)
1
USB (Type A)
1
USB (Type mini-B)
has not
RS232 (DB-9pin)
has not
Sound
Integrated speaker
Speaker power
5 W
Sound type
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
Keystone correction auto
Operating distance
19 ft
Security functions
Audible noise
Normal mode
28 dB
Eco mode
26 dB
Operating temperature
Min
5
Max
40
Features
Color
white
Wireless
Remote control
Mouse functions
Warranty
1 year
Dimensions
Product size
9.5 x 12.4 x 4.3 inches
Product weight
8.50 pounds