Optoma HD66 vs BenQ TH685 review
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Common
Product
Optoma HD66
BenQ TH685
Model
HD66
TH685
Brand
Optoma
BenQ
Rating
4.0
Reviews
303
Translation properties
Projection system
DLP
DLP
Native resolution
1280 x 720
1920x1080
Aspect ratio
16:9
16:9
Pixel number
1024000
2073600
Brightness
2500 lumens
3500 lumens
Color reproduction
1.07 billion
1.07 billion
Contrast ratio
4000:1
10000:1
Throw ratio range
1.55 - 1.7
1.13 – 1.46
Lamp
Lamp type
190 W
245 W
Lamp life
Normal mode
3000
4000
Eco mode
4000
15000
Lens
F-number
2.41 - 2.67
1.9 – 2.1
Focal length
21.88 - 24 mm
11.9 - 15.5 mm
Lens shift
Zoom ratio
1.0 - 1.1
1.0 - 1.3
Interface
HDMI
2
2
D-sub 15pin
1
1
Composite video (RCA)
1
has not
Audio L/R (RCA)
1
has not
Audio out (Mini Jack)
1
1
USB (Type A)
1
has not
USB (Type mini-B)
1
has not
RS232 (DB-9pin)
has not
1
Sound
Integrated speaker
Speaker power
2 W
5 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 +- 40 degrees
Keystone correction auto
vertical +-40 degrees
Operating distance
19 ft
Security functions
Audible noise
Normal mode
30 dBA
35 dB
Eco mode
28 dBA
29 dB
Operating temperature
Min
5 C
0
Max
40 C
40
Features
Color
white
white
Wireless
Remote control
Mouse functions
Warranty
1 Year
3 year
Dimensions
Product size
12.7 x 9.2 x 3.8 inches
?12.28 x 8.86 x 4.33 inches
Product weight
6.8 pounds
?6.15 pounds
BenQ TH685 overview
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