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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Epson PowerLite 1781W vs Optoma UHD50
Epson and Optoma
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Common
Product
Epson PowerLite 1781W
Optoma UHD50
Model
PowerLite 1781W
UHD50
Brand
Epson
Optoma
Reviews
115
300
Resolution
Native resolution
1280 x 800
3840 x 2160
Max resolution (resized)
1920 x 1200
4096 x 2160
Resolution abbreviation
WXGA
4K UHD
Properties
Projection screen size, inch
50-150
34-302
Projection distance, m/ft
1.1 - 4.1/3.2 - 13.1
1.2 - 8.1/3.2 - 26.2
Aspect ratio
16:10
16:9
Brightness, lumens
3200
2400
Contrast ratio
10000:1
500000:1
Throw ratio range
1.04:1 - 1.26:1
1.21:1 - 1.59:1
Color reproduction
1.07 billion
1.07 billion
Projection system
3LCD
DLP
Noise level, dBA
39
28
Power consumption, W
309
348
Features
Remote control
HDR
3D
Security
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
214
240
Lamp life (normal mode), hours
4000
4000
Lamp life (eco mode), hours
7000
15000
Connectivity
HDMI
1
2
VGA input
1
1
Composite video input (RCA)
1
0
Audio input (RCA)
1
0
Audio input (3.5mm)
0
1
Audio output (3.5mm)
0
1
SPDIF (optical)
0
1
Ethernet (RJ45)
0
1
MHL
RS-232
0
1
12V trigger
0
1
USB
1
1
USB (service)
1
0
Audio
Integrated speakers
Speaker power, W
1
5
Sound type
mono
stereo
Lens
F-number
1.58 - 1.7
2.5 - 3.26
Focal length, mm
13.5 - 16.2
20.91 - 32.62
Lens shift, %
vertical +/- 45, horizontal +/- 30
vertical +/- 15
Zoom ratio
2.1x
1.3x
Settings
Keystone adjustment vertical, +- degrees
30
15
Keystone adjustment horizontal, +- degrees
20
Operating temperature
Min, C/F
5/41
5/41
Max, C/F
35/95
40/104
Dimensions
Size W x H x D, сm/inches
29 x 5 x 21/11.42 x 2.1 x 8.2
38.1 x 12.7 x 27.9/ 15.4 x 5.1 x 11.1
Weight, kg/pounds
7.3/16.1
4.9/11.8
Other
Release year
2017
2018
Projectors CHooseratoR comparison rating
- 7Epson PowerLite 1781W
- 8.6Optoma UHD50
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