Optoma UHD51ALV vs Nebula Mars II

UHD51ALV vs Mars II comparison chart

Overall
Optoma UHD51ALV
9.6
Nebula Mars II
6.6
10
7
Votes 1 1
Rating 5 5
Optoma UHD51ALV

Aug 30, 2020

I hope you will find this Optoma UHD51ALV review helpful enough for your future purchases. I was very delighted to test this unit, as it has 4K True HD resolution and stunning 3D support. The colors ...

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Common

Product

Optoma UHD51ALV
Nebula Mars II

Model

UHD51ALV
Mars II

Brand

Optoma
Nebula

Reviews

146
517

Resolution

Native resolution

3840 x 2160
1280 × 720

Max resolution (resized)

4096 x 2160
1280 × 720

Resolution abbreviation

4K UHD
HD

Properties

Projection screen size, inch

34-302
30-150

Projection distance, m/ft

0.8 - 10.6/2.9 - 34.9
1 - 3/3.2 - 9.8

Aspect ratio

16:9
16:9

Brightness, lumens

3000
300

Contrast ratio

500000:1
1000:1

Throw ratio range

1.21:1 - 1.59:1

Color reproduction

Projection system

DLP
DLP

Noise level, dBA

28
32

Power consumption, W

317
57

Features

Remote control

HDR

3D

Security

kensington lock, password protection

Projection method

front, rear, ceiling mount, tabletop
front, rear, tabletop

Wireless connection

Additional features

Amazon Alexa, Google Assistant, DLP
Android OS, Bluetooth, Wi-Fi

Lamp

Lamp type, W

240

Lamp life (normal mode), hours

4000
30000

Lamp life (eco mode), hours

10000
30000

Connectivity

HDMI

2
1

VGA input

1
0

Composite video input (RCA)

0
0

Audio input (RCA)

0
0

Audio input (3.5mm)

1
0

Audio output (3.5mm)

1
1

SPDIF (optical)

1
0

Ethernet (RJ45)

1
0

MHL

RS-232

1
0

12V trigger

1
0

USB

3
1

USB (service)

1
0

Audio

Integrated speakers

Speaker power, W

5
5

Sound type

stereo
stereo

Lens

F-number

2.5 - 3.26

Focal length, mm

20.9 - 32.6

Lens shift, %

vertical +/- 10

Zoom ratio

1.3x

Settings

Keystone adjustment vertical, +- degrees

Keystone adjustment horizontal, +- degrees

Operating temperature

Min, C/F

5/41
0/32

Max, C/F

40/104
35/95

User manual

Manual

Dimensions

Size W x H x D, сm/inches

39.1 x 12.9 x 28,1/15.4 x 5.1 x 11.1
12.2 × 13.8 × 17.8/ 4.8 × 5.4 × 7

Weight, kg/pounds

5.3/11.7
1.4/2.2

Other

Release year

2018
2018
Optoma UHD51ALV
Nebula Mars II
Optoma UHD51ALV
Nebula Mars II

Projectors CHooseratoR comparison rating

  • better
  • worse
  • 9.6
  • 6.6
  • 9.6Optoma UHD51ALV
  • 6.6Nebula Mars II

Optoma UHD51ALV competitors

Nebula Mars II competitors