Optoma ZH521
| Brand | Optoma |
| Type | Business |
| Resolution | 1080p |
| HDR formats | HDR10, HLG |
| Imaging technology | DLP |
| Light source | Laser (phosphor) |
| Brightness | 5,500 lm ISO |
| Throw ratio | 1.13–1.47:1 |
| Input lag | 1080p: 60 Hz 16.7 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.7 ms |
A 1080p single-chip DLP projector with a phosphor laser light source, rated at 5,500 ISO 21118 lumens. It has a 1.3x manual zoom with no lens shift, two HDMI 2.0 inputs, a dust-sealed optical engine and 360-degree and portrait installation, and is aimed at classrooms, meeting rooms and houses of worship.
Data sheet
Picture
| White light output | 5,500 lm ISO | |
| Brightness uniformity | 75% | |
| Imaging technology | DLP | |
| Native resolution | 1080p (1920 × 1080) | |
| Native aspect | 16:9Derived | |
| Dynamic contrast | 3,000,000:1 | |
| HDR formats | HDR10, HLG | |
| 3D | Yes | |
| 3D formats | Frame packing, Side-by-side, Top-bottom |
Light source
| Light source | Laser (phosphor) | |
| Emitter | Blue laser + phosphor | |
| Light-source life | 30,000 h eco |
Optics
| Throw ratio | 1.13–1.47:1100″ · 2.50–3.25 m | |
| Image size | 30–306 in | |
| Projection offset | 116% | |
| Zoom | Optical | |
| Zoom ratio | 1.3×Derived | |
| Focal length | 16.9–21.6 mm | |
| Aperture (f-number) | 2.43–2.78 | |
| Vertical keystone | 30° | |
| Horizontal keystone | 30° | |
| Corner correction | 4-corner |
Motion & gaming
| Input lag | 1080p: 60 Hz 16.7 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.7 ms |
Inputs & control
| HDMI inputs | 2 × HDMI 2.0 | |
| Other video inputs | VGA | |
| Max input resolution | DCI 4K | |
| Audio inputs | 3.5 mm | |
| Control ports | RS-232, 12 V trigger |
Audio
| Speaker power | 15 W | |
| Speakers | 1 | |
| Audio outputs | 3.5 mm | |
| HDMI audio return | NoneDerived |
Physical & installation
| Dimensions (W × D × H) | 274 × 216 × 114 mm | |
| Weight | 2,900 g | |
| Orientations | Table, Ceiling, Rear, Portrait, 360° | |
| Dust filter | None | |
| Ingress protection | IP6X (light engine) | |
| Sealed optical engine | Yes |
Environment & power
| Operating temperature | 0–40°C | |
| Altitude | 2,500 m | |
| Power draw | Max 210 W · Eco 147 W | |
| Standby | Up to 0.5 W | |
| Power supply | External adapter | |
| Mains input | 100–240 V · 50/60 Hz | |
| Fan noise | Normal 35 dB(A) · Eco 29 dB(A) |
Safety & support
| Risk group | RG2 | |
| Marks | FCC | |
| Warranty | 🇺🇸 US 5 yr or 12,000 h Datasheet (en-US): "5 Years or 12,000H (whichever comes first)". ProjectorCentral also says 5 Years. Optoma's warranty page was not read. | |
| User manual | region-resource.optoma.com |
In the box
| In the box | Power cord, Remote, Remote batteries, Quick start guide |
Similar models
| Model | Resolution | Tech | Lumens | Price | |
|---|---|---|---|---|---|
Christie LW551i WXGA · 3LCD | WXGA | 3LCD | 5,500 | $5,985 | Compare |
Optoma ZH507+ 1080p · DLP | 1080p | DLP | 5,500 | $4,369 | Compare |
Optoma ZH520 1080p · DLP | 1080p | DLP | 5,500* | $2,699 | Compare |
Panasonic PT-CMZ50 WUXGA · 3LCD | WUXGA | 3LCD | 5,200 −300 | $3,881.44 | Compare |
Panasonic PT-VMZ51S WUXGA · 3LCD | WUXGA | 3LCD | 5,200 −300 | — | Compare |
Panasonic PT-VMZ50 WUXGA · 3LCD | WUXGA | 3LCD | 5,000 −500 | $2,259.78 | Compare |
Other
Tools
- Throw calculator — How far from the screen the ZH521 needs to sit for a given image size, set to its 1.13–1.47:1 lens.
- Download spec as CSV — Every value on this data sheet with its unit and source, one row per spec.
- Download spec as JSON — The same data from the open data API, with variants and identifiers.
Variants & identifiers
Use these to confirm a listing is this exact model. Any of them works at /p/{code}.
| Variant | Region | Type | Code |
|---|---|---|---|
| Standard | 🇺🇸 US | UPC | 796435448455 |
| MPN | ZH521 |



