Optoma HD28HDR vs Optoma HD27 review

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Rating 5 5

Common

Product

Optoma HD28HDR
Optoma HD27

Model

HD28HDR
HD27

Brand

Optoma
Optoma

Rating

4.1

Reviews

301

Translation properties

Projection system

DLP
DLP

Native resolution

1920x1080
1920 x 1080

Aspect ratio

16:9
16:9

Pixel number

2073600
1024000

Brightness

3600 lumens
3200 lumens

Color reproduction

1.07 billion
1073.4 million

Contrast ratio

50000:1
25000:1

Throw ratio range

1.47 – 1.62
1.48 - 1.6

Lamp

Lamp type

240 W
195 W

Lamp life

Normal mode

4000
5000

Eco mode

15000
6000

Lens

F-number

2.1 – 2.3
2.5 - 2.67

Focal length

15.6 to 17.1 mm
21.88 - 24 mm

Lens shift

has not

Zoom ratio

1.0 - 1.1
1.0 - 1.1

Interface

HDMI

2
2

D-sub 15pin

has not
1

Composite video (RCA)

has not
1

Audio L/R (RCA)

has not
1

Audio out (Mini Jack)

1
1

USB (Type A)

1
1

USB (Type mini-B)

has not
has not

RS232 (DB-9pin)

has not
has not

Sound

Integrated speaker

Speaker power

5 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

28 dB

Eco mode

26 dB
26 dBA

Operating temperature

Min

5
5 C

Max

40
40 C

Features

Color

white
white

Wireless

Remote control

Mouse functions

Warranty

1 year
1 Year

Dimensions

Product size

9.5 x 12.4 x 4.3 inches
9 x 11.7 x 3.7 inches

Product weight

8.50 pounds
5.5 pounds

Optoma HD28HDR overview

Optoma HD27 overview

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