Aug 27, 2020
The ViewSonic PX747-4K review is about a high brightness (3500 ANSI Lumens) 4K UHD projector for professional use and entertainment. With a brightness level of 3500 lumens, it provides a guaranteed p...
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ViewSonic PX747-4K vs LG HF85JA
ViewSonic and LG
px747-4k.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
ViewSonic PX747-4K
LG HF85JA
Model
PX747-4K
HF85JA
Brand
ViewSonic
LG
Reviews
529
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
60-200
90-120
Projection distance, m/ft
0.9 - 11.6/2.9 - 38
0.4 - 0.6/1.5 x 1.8
Aspect ratio
16:9
16:9
Brightness, lumens
3500
1500
Contrast ratio
12000:1
150000:1
Throw ratio range
1.47:1 - 1.76:1
Color reproduction
1.07 billion
1.07 billion
Projection system
DLP
DLP
Noise level, dBA
27
26
Power consumption, W
310
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
has not
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)
0
0
Ethernet (RJ45)
0
1
MHL
RS-232
0
0
12V trigger
1
0
USB
1
2
USB (service)
1
0
Audio
Integrated speakers
Speaker power, W
10
3
Sound type
mono
stereo
Lens
F-number
Focal length, mm
Lens shift, %
Zoom ratio
1.2x
Settings
Keystone adjustment vertical, +- degrees
40
Keystone adjustment horizontal, +- degrees
Operating temperature
Min, C/F
0/32
Max, C/F
40/104
Dimensions
Size W x H x D, сm/inches
33 x 12.7 x 25.4/13.1 x 5.3 x 10.3
12.7 x 17.7 x 33/5.5 x 7.5 x 13.9
Weight, kg/pounds
4.01/8.84
2.7/6.6
Other
Release year
2018
2017
Projectors CHooseratoR comparison rating
- 7.3ViewSonic PX747-4K
- 7.3LG HF85JA
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