Epson PowerLite 77c vs Optoma HD66 review
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Common
Product
Epson PowerLite 77c
Optoma HD66
Model
PowerLite 77c
HD66
Brand
Epson
Optoma
Rating
3.6
4.0
Reviews
67
303
Translation properties
Projection system
3LCD
DLP
Native resolution
1024 x 768
1280 x 720
Aspect ratio
4:3
16:9
Pixel number
786432
1024000
Brightness
2200 lumens
2500 lumens
Color reproduction
16.77 million
1.07 billion
Contrast ratio
400:1
4000:1
Throw ratio range
1.04 - 1.26
1.55 - 1.7
Lamp
Lamp type
170 W
190 W
Lamp life
Normal mode
3000
3000
Eco mode
4000
4000
Lens
F-number
1.6 - 1.74
2.41 - 2.67
Focal length
18.4 - 22.12 mm
21.88 - 24 mm
Lens shift
Zoom ratio
1.0 - 1.2
1.0 - 1.1
Interface
HDMI
1
2
D-sub 15pin
1
1
Composite video (RCA)
1
1
Audio L/R (RCA)
1
Audio out (Mini Jack)
1
USB (Type A)
1
1
USB (Type mini-B)
1
1
RS232 (DB-9pin)
has not
has not
Sound
Integrated speaker
Speaker power
1 W
2 W
Sound type
mono
mono
Resolution support
640 x 480
1024 x 768
1280 x 800
1400 x 1050
1920 x 1080
Video compatibility
NTSC
PAL
SECAM
3D
Settings
Keystone correction manual
Vertical +- 30 degrees
Vertical +- 40 degrees
Keystone correction auto
Operating distance
19 ft
19 ft
Security functions
Audible noise
Normal mode
35 dBA
30 dBA
Eco mode
28 dBA
28 dBA
Operating temperature
Min
5 C
5 C
Max
35 C
40 C
Features
Color
black
white
Wireless
Remote control
Mouse functions
Warranty
2 Years
1 Year
Dimensions
Product size
9.6 x 12.9 x 3.6 inches
12.7 x 9.2 x 3.8 inches
Product weight
6 pounds
6.8 pounds
Epson PowerLite 77c overview
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