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| Projector type | DLP |
|---|
| Design type | Portable projector |
|---|---|
| Portable | yes |
| Colour of product | Black |
| Built-in display | no |
| Cable lock slot | yes |
| Width | 4.1 in |
|---|---|
| Height | 1.5 in |
| Depth | 4.2 in |
| Weight | 0.88 lb |
| Type of lamp | LED |
|---|---|
| Lamp life max (normal) | 20000.0 h |
| Lamp life max (eco) | 20000.0 h |
| Supported image files |
|
|---|---|
| Supported video files |
|
| Ethernet connection | no |
|---|---|
| Wireless network (Wi-Fi) | no |
| Compatible memory cards |
|
|---|
| Operational Power Consumption (min-max) | < 62 |
|---|---|
| Power consumption (typical) | 62.0 W |
| Power consumption (standby) | 0.5 W |
| Separate power connector (mains) | Via AC adapter |
| Power management | Mains |
| Analog 3.5mm output | yes |
|---|---|
| Analogue 3.5mm input | yes |
| Analogue RCA stereo input | no |
| Component input (YPbPr/YCbCr) | no |
| Composite input | no |
| Digital coaxial input (S/PDIF) | no |
| Digital coaxial output (S/PDIF) | no |
| DisplayPort | no |
| DVI in | no |
| HDMI | yes |
| Number of HDMI inputs | 1 |
| MHL | yes |
| HDCP | no |
| Headphone output | yes |
| Microphone input | no |
| Other connectors | 5mm output |
| S-video input | no |
| SCART in | no |
| USB | yes |
| USB connector type | USB Type-A |
| USB (total) | 1 |
| USB 2.0 | 1 |
| VGA in | yes |
| Number of VGA (D-Sub) ports | 1 |
| AC (power) input | yes |
| Noise level | < 30 |
|---|---|
| Operating relative humidity (H-H) | 0 - 85 |
| Lens shift | no |
|---|---|
| Focal length range (f-f) | 14.95 - 14.95 |
| Throw ratio | < 1.5 |
| Aperture range (F-F) | 2.00 - 2.00 |
| Zoom ratio | 1.7 x |
| Projection distance | 0.55 - 3.23 |
| Matrix size | 0.45 |
| Offset | 100.0 % |
| Screen size | 17 - 100 |
|---|---|
| Screen size compatibility | 17 - 100 |
| Resolution | 1280 x 800 px |
| Number of colours | 16.78 million colours |
| Supported graphics resolutions |
|
| Maximum analog resolution | 1680 x 1050 px |
| Native aspect ratio | 16:10 |
| Aspect ratio |
|
| Brightness (max) | 550.0 lm |
| Contrast ratio | 10000:1 |
| Video formats supported |
|
| RoHS compliance | yes |
|---|---|
| Quick start guide | yes |
| Backlit remote control | no |
| Handheld remote control | yes |
| Memory card reader | yes |
| On Screen Display (OSD) | yes |
| On Screen Display (OSD) languages |
|
| Optical disc player type | Not included |
| 3D support (3D-Ready) | yes |
|---|---|
| Can convert 2D to 3D | no |
| Compatible glasses | Active |
| Full HD 3D (1080p) | no |
| Glasses included | no |
| HD ready | yes |
| Full HD (HD ready 1080p) | no |
| HDR | no |
| Analog signal format system |
|
| Built-in speakers | yes |
|---|---|
| Number of built-in speakers | 1 |
| RMS rated power | 1.0 W |
Optoma ML550: Highly Portable LED Projector review
It’s expensive, but a wide range of ports and bright bulb make this one of the best ultraportable projectors so far
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The brightest, nicest and best connected palm projector yet
The Optoma ML550 is about the size of earlier-generation 300-lumen WXGA (1,280-by-800) palmtop projectors, but offers a 500-lumen rating.
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