Optoma ML750 vs ViewSonic PJD7820HD review

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Rating 5 5

Common

Product

Optoma ML750
ViewSonic PJD7820HD

Model

ML750
PJD7820HD

Brand

Optoma
ViewSonic

Rating

4.2

Reviews

274

Translation properties

Projection system

DLP
DLP

Native resolution

1280 x 800
1920 x 1080

Aspect ratio

16:9
16:9

Pixel number

1024000
480000

Brightness

700 lumens
3000 lumens

Color reproduction

16.77 million
1.07 billion

Contrast ratio

10000:1
15000:1

Throw ratio range

1.0 - 1.5
1.15 - 1.5

Lamp

Lamp type

210 W

Lamp life

Normal mode

4000

Eco mode

20000
6000

Lens

F-number

2.0
2.5 - 2.67

Focal length

14.95 mm
21.86 - 24 mm

Lens shift

Zoom ratio

1.0 - 1.1
1.0 - 1.3

Interface

HDMI

1
1

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)

has not
1

RS232 (DB-9pin)

has not
1

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 +- 40 degrees
Vertical +- 40 degrees

Keystone correction auto

Operating distance

19 ft
19 ft

Security functions

Audible noise

Normal mode

35 dBA

Eco mode

30 dBA
29 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

8.8 x 12.4 x 4 inches
3.3 x 8.7 x 10.6 inches

Product weight

5.5 pounds
4.6 pounds

Optoma ML750 overview

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