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 Optoma UHD50
ViewSonic and Optoma
px747-4k.jpg
Aug 20, 2020
This one is a 4K FullHD projector that uses a TI chip. If you were looking for something that would be an entry to the 4K realm and at the lowest price - you should read this Optoma UHD50 review. Thi...
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Common
Product
ViewSonic PX747-4K
Optoma UHD50
Model
PX747-4K
UHD50
Brand
ViewSonic
Optoma
Reviews
529
300
Resolution
Native resolution
3840 x 2160
3840 x 2160
Max resolution (resized)
3840 x 2160
4096 x 2160
Resolution abbreviation
4K UHD
4K UHD
Properties
Projection screen size, inch
60-200
34-302
Projection distance, m/ft
0.9 - 11.6/2.9 - 38
1.2 - 8.1/3.2 - 26.2
Aspect ratio
16:9
16:9
Brightness, lumens
3500
2400
Contrast ratio
12000:1
500000:1
Throw ratio range
1.47:1 - 1.76:1
1.21:1 - 1.59:1
Color reproduction
1.07 billion
1.07 billion
Projection system
DLP
DLP
Noise level, dBA
27
28
Power consumption, W
310
348
Features
Remote control
HDR
3D
Security
kensington lock, password protection
kensington lock, password protection
Projection method
front, rear, ceiling mount, tabletop
front, rear, ceiling mount, tabletop
Wireless connection
Additional features
has not
DLP
Lamp
Lamp type, W
240
240
Lamp life (normal mode), hours
4000
4000
Lamp life (eco mode), hours
15000
15000
Connectivity
HDMI
2
2
VGA input
1
1
Composite video input (RCA)
0
0
Audio input (RCA)
0
0
Audio input (3.5mm)
1
1
Audio output (3.5mm)
1
1
SPDIF (optical)
0
1
Ethernet (RJ45)
0
1
MHL
RS-232
0
1
12V trigger
1
1
USB
1
1
USB (service)
1
0
Audio
Integrated speakers
Speaker power, W
10
5
Sound type
mono
stereo
Lens
F-number
2.5 - 3.26
Focal length, mm
20.91 - 32.62
Lens shift, %
vertical +/- 15
Zoom ratio
1.2x
1.3x
Settings
Keystone adjustment vertical, +- degrees
40
15
Keystone adjustment horizontal, +- degrees
Operating temperature
Min, C/F
0/32
5/41
Max, C/F
40/104
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
38.1 x 12.7 x 27.9/ 15.4 x 5.1 x 11.1
Weight, kg/pounds
4.01/8.84
4.9/11.8
Other
Release year
2018
2018
Projectors CHooseratoR comparison rating
- 7.3ViewSonic PX747-4K
- 8.6Optoma UHD50