Optoma HD66 vs ViewSonic PJD7828HDL review

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Rating 5 5

Common

Product

Optoma HD66
ViewSonic PJD7828HDL

Model

HD66
PJD7828HDL

Brand

Optoma
ViewSonic

Rating

4.0
4.5

Reviews

303
208

Translation properties

Projection system

DLP
DLP

Native resolution

1280 x 720
1920 x 1080

Aspect ratio

16:9
16:9

Pixel number

1024000
480000

Brightness

2500 lumens
3200 lumens

Color reproduction

1.07 billion
1.07 billion

Contrast ratio

4000:1
20000:1

Throw ratio range

1.55 - 1.7
1.15 - 1.5

Lamp

Lamp type

190 W
210 W

Lamp life

Normal mode

3000
4000

Eco mode

4000
10000

Lens

F-number

2.41 - 2.67
1.49 - 1.72

Focal length

21.88 - 24 mm
16.9 - 20.28 mm

Lens shift

Zoom ratio

1.0 - 1.1
1.0 - 1.1

Interface

HDMI

2
2

D-sub 15pin

1
1

Composite video (RCA)

1
1

Audio L/R (RCA)

1
1

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
10 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
Vertical +- 40 degrees

Keystone correction auto

Operating distance

19 ft
19 ft

Security functions

Audible noise

Normal mode

30 dBA
35 dBA

Eco mode

28 dBA
30 dBA

Operating temperature

Min

5 C
5 C

Max

40 C
40 C

Features

Color

white
black

Wireless

Remote control

Mouse functions

Warranty

1 Year
1 Year

Dimensions

Product size

12.7 x 9.2 x 3.8 inches
9 x 12.4 x 4.1 inches

Product weight

6.8 pounds
4.6 pounds

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