Optoma EH412ST
| Brand | Optoma · EH Series |
| Type | Business |
| Status | Discontinued |
| Released | July 2019 |
| Resolution | 1080p |
| HDR formats | HDR10 |
| Imaging technology | DLP |
| Light source type | Lamp |
| ANSI lumens | 4,000 lm |
| Throw ratio | 0.5:1 |
| Input lag (rated) | 1920×1080 @ 60 Hz: 16 ms · 1920×1080 @ 120 Hz: 8.4 ms |
A single-chip DLP lamp projector with a 1080p panel and a fixed short-throw lens (0.5:1) for meeting rooms and classrooms. It is rated at 4,000 ANSI lumens, takes 4K signals on its HDMI 2.0 input, and has a 10W speaker.
Data sheet
Picture
| Imaging technology | DLP | |
| Technology brand | DLP | |
| Number of imaging devices | 1 | |
| Chip / panel diagonal | 0.65 in | |
| Native aspect ratio | 16:9 | |
| Native resolution | 1920 × 1080 | |
| Colour wheel segments | 6 segments: R, Y, G, C, W, B | |
| Dynamic contrast | 50,000:1 | |
| Bit depth / 'number of colours' | 30 bit | |
| Colour management system | 6-axis | |
| ISF certified | Yes | |
| HDR formats | HDR10 | |
| Max refresh rate | 1920×1080: 120 Hz | |
| Input lag (rated) | 1920×1080 @ 60 Hz: 16 ms · 1920×1080 @ 120 Hz: 8.4 ms Enhanced Gaming mode | Enhanced Gaming mode |
| 3D support | Yes | |
| 3D sync method | DLP-Link | |
| 3D formats | Frame packing, Side-by-side, Top-bottom |
Optics
| Throw ratio | 0.5:1 | |
| Projection distance table | 37″: 0.41 m · 40″: 0.44 m · 50″: 0.55 m · 60″: 0.66 m · 70″: 0.77 m · 80″: 0.88 m · 90″: 0.99 m · 100″: 1.1 m · 110″: 1.22 m · 120″: 1.33 m · 130″: 1.44 m · 140″: 1.55 m · 150″: 1.66 m · 160″: 1.77 m · 170″: 1.88 m · 180″: 1.99 m · 190″: 2.1 m · 200″: 2.21 m · 210″: 2.32 m · 220″: 2.43 m · 230″: 2.54 m · 240″: 2.65 m · 250″: 2.76 m · 260″: 2.87 m · 270″: 2.98 m · 280″: 3.09 m · 290″: 3.2 m · 300″: 3.31 m | |
| Zoom type | Digital | |
| Focus | Manual | |
| Fixed offset | 116% | |
| Focal length | 7.42 mm | |
| F-number | 2.8 | |
| Interchangeable lens | No | |
| Image size range | 36.2–308 in | |
| Vertical keystone | -40–40° |
Light source
| Light source type | Lamp | |
| Lamp wattage | 240 W | |
| Light source life | Bright: 4,000 h · Dynamic: 12,000 h · Eco: 10,000 h · Eco plus: 15,000 h | |
| ANSI lumens | 4,000 lm ANSI | ANSI |
| Brightness uniformity (centre-to-corner) | 70% |
Audio
| Speaker power | 10 W | |
| Speaker count | 1 | |
| Audio outputs | 3.5 mm |
Inputs, control & connectivity
| Max input signal | 3840 × 2160 | |
| HDMI port count | 2 | |
| HDMI ports (feature-level) | HDMI 1: HDMI 2.0, HDCP 2.2; HDMI 2 / MHL: HDMI 1.4, HDCP 2.2 | |
| Audio input terminals | 3.5 mm | |
| Horizontal scan frequency | 15.38–91.15 kHz | |
| Vertical scan frequency | 50–85 Hz | |
| VGA input | Yes | |
| RS-232 | Yes |
Environment & power
| Operating temperature | 5–40°C | |
| Operating humidity | 10–85%RH | |
| Altitude / high-altitude mode | 3,000 m | |
| High-altitude mode | Yes | |
| Operating orientations | Table, Ceiling, Rear | |
| Rated voltage | 100–240 V | |
| Rated frequency | 50–60 Hz | |
| Power consumption (max) | 285 W | |
| Power consumption by mode | Bright typical: 230 W · Bright max: 253 W · Eco typical: 190 W · Eco max: 209 W | |
| Standby power | 0.5 W | |
| Fan noise (sound pressure) | Typical: 26 dB(A) · Max: 28 dB(A) |
Physical & installation
| Width | 316 mm | |
| Depth | 244 mm | |
| Height | 115 mm | |
| Weight | 3 kg | |
| Colours / finishes | White |
Support & ownership
| Warranty | 🇺🇸 US 2 yr | |
| Light-source warranty | 90 days | |
| User manual | https://www.optomausa.com/ContentStorage/Documents/2aef4a4a-ad89-4d77-8b8a-d395179d3957.pdf | |
| Photobiological risk group | RG2 | |
| Safety & market certifications | FCC |
In the box
| Box contents | Projector, Power cord, Remote, Batteries, Quick start guide | |
| Remote type | IR |
Tools
- Throw calculator — How far from the screen the EH412ST needs to sit for a given image size, set to its 0.5:1 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 |
|---|---|---|---|
| US | 🇺🇸 US | ASIN | B07TR7K33F |
| UPC | 796435444112 | ||
| MPN | EH412ST | ||
| White, EU/UK | 🇪🇺 EU | EAN | 5055387663138 |
