Aug 27, 2020
This Optoma UHD15A review is targeted for users who seek true realism in every scene. This device is a 4K Ultra HD projector that is unmatched in home entertainment. It will provide you with superb c...
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Optoma UHD51A vs LG HF85JA
Optoma and LG
uhd51a.jpg
Aug 30, 2020
The LG HF85JA review will be helpful for people looking for a smart laser projector with all modern technologies in it. This living room projector from LG features a DLP technology for a more immersi...
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Common
Product
Optoma UHD51A
LG HF85JA
Model
UHD51A
HF85JA
Brand
Optoma
LG
Reviews
146
68
Resolution
Native resolution
3840 x 2160
1920 x 1080
Max resolution (resized)
3840 x 2160
1920 x 1080
Resolution abbreviation
4K UHD
Full HD
Properties
Projection screen size, inch
30-300
90-120
Projection distance, m/ft
0.8 - 10.6/2.9 - 34.8
0.4 - 0.6/1.5 x 1.8
Aspect ratio
16:9
16:9
Brightness, lumens
2400
1500
Contrast ratio
500000:1
150000:1
Throw ratio range
1.21:1 - 1.59:1
Color reproduction
1.07 billion
1.07 billion
Projection system
DLP
DLP
Noise level, dBA
28
26
Power consumption, W
317
140
Features
Remote control
HDR
3D
Security
kensington lock, password protection
kensington lock, password protection
Projection method
front, rear, ceiling mount, tabletop
tabletop
Wireless connection
Additional features
DLP, Amazon Alexa, Google Assistant
TV tuner
Lamp
Lamp type, W
240
Lamp life (normal mode), hours
4000
Lamp life (eco mode), hours
15000
20000
Connectivity
HDMI
2
2
VGA input
1
0
Composite video input (RCA)
0
0
Audio input (RCA)
0
0
Audio input (3.5mm)
1
0
Audio output (3.5mm)
1
2
SPDIF (optical)
1
0
Ethernet (RJ45)
1
1
MHL
RS-232
1
0
12V trigger
1
0
USB
3
2
USB (service)
1
0
Audio
Integrated speakers
Speaker power, W
5
3
Sound type
stereo
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
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
12.7 x 17.7 x 33/5.5 x 7.5 x 13.9
Weight, kg/pounds
6.5/11.7
2.7/6.6
Other
Release year
2018
2017
Projectors CHooseratoR comparison rating
- 9.6Optoma UHD51A
- 7.3LG HF85JA
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