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Common features
Product
Optoma UHD51A
Model
UHD51A
Brand
Optoma
Reviews
146
Resolution
Native resolution
3840 x 2160
Max resolution (resized)
3840 x 2160
Resolution abbreviation
4K UHD
Properties
Projection screen size, inch
30-300
Projection distance, m/ft
0.8 - 10.6/2.9 - 34.8
Aspect ratio
16:9
Brightness, lumens
2400
Contrast ratio
500000:1
Throw ratio range
1.21:1 - 1.59:1
Color reproduction
1.07 billion
Projection system
DLP
Noise level, dBA
28
Power consumption, W
317
Features
Remote control
HDR
3D
Security
kensington lock, password protection
Projection method
front, rear, ceiling mount, tabletop
Wireless connection
Additional features
DLP, Amazon Alexa, Google Assistant
Lamp
Lamp type, W
240
Lamp life (normal mode), hours
4000
Lamp life (eco mode), hours
15000
Connectivity
HDMI
2
VGA input
1
Composite video input (RCA)
0
Audio input (RCA)
0
Audio input (3.5mm)
1
Audio output (3.5mm)
1
SPDIF (optical)
1
Ethernet (RJ45)
1
MHL
RS-232
1
12V trigger
1
USB
3
USB (service)
1
Audio
Integrated speakers
Speaker power, W
5
Sound type
stereo
Lens
F-number
2.5 - 3.26
Focal length, mm
20.91 - 32.62
Lens shift, %
vertical +/- 15
Zoom ratio
1.3x
Settings
Keystone adjustment vertical, +- degrees
Keystone adjustment horizontal, +- degrees
Operating temperature
Min, C/F
5/41
Max, C/F
40/104
User manual
Manual
Dimensions
Size W x H x D, сm/inches
39.2 x 12.9 x 28.1/15.4 x 5.1 x 11.1
Weight, kg/pounds
6.5/11.7
Other
Release year
2018
