Nebula Mars 3 Air vs ViewSonic M2e
 Nebula Mars 3 Air$519.99 |  ViewSonic M2eMSRP $599 | |
|---|---|---|
| Key differences | ||
| Throw ratio | 1.2:1 | 1.21:1 |
| HDR formats | HDR10, HLG | — |
| Fan noise | 28 dB(A) | Normal 26 dB(A) · Eco 24 dB(A) |
| Price | $519.99 | MSRP $599 |
| Room fit | ||
| Distance to screen | 2.7 m | 2.7 m |
| Brightness | ||
| Rated brightness | 400 lmDerived | 400 lmDerived |
| White light outputANSI | 400 lm ANSI | 400 lm ANSI |
| Claimed brightness (non-standard) | — | 1,000 lm (LED lumens) |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.23 in | 0.23 in |
| On-screen resolution | 1080p (1920 × 1080)Derived | 1080p (1920 × 1080)Derived |
| Native resolution | 1080p (1920 × 1080) | 1080p (1920 × 1080) |
| Native aspect | 16:9Derived | 16:9Derived |
| Contrast | ||
| Dynamic contrast | 400:1 | 3,000,000:1 |
| Colour | ||
| Colour gamut | — | Rec. 709 125% |
| Colour bit depth (per channel) | 8 bit | 10 bit |
| HDR | ||
| HDR formats | HDR10, HLG | — |
| 3D | ||
| 3D | — | Yes |
| 3D formats | — | Frame packing, Side-by-side, Top-bottom, Frame sequential |
| Light source | ||
| Light source | LED | LED |
| Emitter | RGB LED | 4-channel LED |
| Light-source life | 30,000 h | 30,000 h |
| Light output control | Steps | — |
| Optics | ||
| Throw ratio | 1.2:1 | 1.21:1 |
| Image size | 30–150 in | 30–100 in |
| Projection offset | — | About 100% |
| Zoom | Digital | Digital |
| Focal length | — | 6.35 mm |
| Aperture (f-number) | — | 1.7 |
| Focus | Motorised | Motorised |
| Autofocus | Yes | Yes |
| Autofocus runs | When moved | — |
| Vertical lens shift | None | None |
| Horizontal lens shift | None | — |
| Vertical keystone | — | 40° |
| Horizontal keystone | — | 40° |
| Auto keystone | Yes | Yes |
| Corner correction | 4-corner | 4-corner |
| Auto setup | Fit to screen, Obstacle avoidance | — |
| Interchangeable lens | No | No |
| Motion & gaming | ||
| Max input refresh | 1080p: 60 Hz | 1080p: 60 Hz |
| Max refresh at 1080p | 60 HzDerived | 60 HzDerived |
| Inputs & control | ||
| HDMI inputs | HDMI 2.0 | HDMI 1.4 (HDCP 1.4) |
| HDMI inputs (count) | 1Derived | 1Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 1.4Derived |
| Other video inputs | None | — |
| Max input resolution | 1080p | 1080p |
| Audio inputs | 3.5 mm | — |
| USB media playback | Yes | Yes |
| Horizontal scan | — | 15–102 kHz |
| Vertical scan | — | 23–120 Hz |
| Smart platform | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | 5.1 | 4.2 |
| Smart platform | Google TV | — |
| Storage | — | 10 GB |
| Netflix | Built in | — |
| Casting | Chromecast built-in | — |
| Audio | ||
| Speaker power | 16 W | 3 W |
| Speakers | 2 | 2 |
| Layout | Stereo | Stereo |
| Tuned by | — | Harman Kardon |
| Audio formats | Dolby Audio | — |
| Audio outputs | 3.5 mm, Bluetooth | 3.5 mm, Bluetooth |
| HDMI audio return | NoneDerived | NoneDerived |
| Bluetooth speaker mode | Yes | Yes |
| Physical & installation | ||
| Dimensions (W × D × H) | 122 × 178 × 133 mm | 184 × 184 × 54 mm |
| Weight | 1,680 g | 1,000 g |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Ceiling mount | — | M4, screws ≤ 8 mm |
| Tripod socket | Yes | — |
| Exhaust | Rear | — |
| Dust filter | None | — |
| Sealed optical engine | Yes | — |
| Environment & power | ||
| Operating temperature | 0–35°C | 0–40°C |
| Operating humidity | — | 0–90%RH |
| Altitude | — | High-altitude mode |
| Power draw | Max 90 W | 75 W |
| Standby | Up to 1 W | Up to 0.5 W |
| Power supply | External adapter | External adapter |
| Mains input | 100–240 V | 100–240 V · 50/60 Hz |
| DC input | — | 19 V |
| USB-C PD in | — | Over 45 W |
| Battery | 64.8 Wh | — |
| Battery runtime | 150 min | — |
| Noise | ||
| Fan noise | 28 dB(A) | Normal 26 dB(A) · Eco 24 dB(A) |
| Safety & compliance | ||
| Risk group | — | RG2 |
| Marks | CE, FCC | CE, FCC, + UL |
| Support & ownership | ||
| Warranty | 🇺🇸 US 1 yr · 🇦🇺 AU 1 yr | 3 yr |
| User manual | https://salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000014639/en_US/000014639.pdf | https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/M2E/M2e_UG_ENG.pdf |
| In the box | ||
| In the box | Power cord, Power adapter, Remote, Remote batteries, Quick start guide | Power cord, Power adapter, Remote, Remote batteries, Quick start guide, + USB cable, + Carry case |
| Remote | Voice | IR |