Nebula Mars 3 Air
#12 in Under 1080pFull review
A battery projector for backyard movies and camping that delivers its rated brightness. Newer rivals cost less for similar output.
Amazon $519.99$519.99
The Nebula Mars 3 Air is the better projector overall, rated 3.3 to 3.2. The Nebula Mars 3 Air leads on brightness. The Nebula Mars 3 Air costs $130 less ($519.99 vs $649.99).
Nebula Capsule 3 Laser
#15 in Under 1080pFull review
A tiny battery laser projector for movie nights in dark rooms, tents and hotel rooms, with Netflix built in.
Amazon $649.99$649.99
Prices were last checked October 29, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Nebula Mars 3 Air for brightness (400 ANSI lumens vs 300 ANSI lumens).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every under 1080p projector; a clear win is highlighted. How we rank explains each one.
| Factor weight | Nebula Mars 3 Air | Nebula Capsule 3 Laser |
|---|---|---|
| Overall rating | 3.3/5 | 3.2/5 |
| Brightness 25% | 31 400 ANSI lumens | 22 300 ANSI lumens |
| Value 15% | 0 $1.30 per lumen | 0 $2.17 per lumen |
| Resolution 10% | 70 960 x 540 native, pixel shift to 1080p | 70 960 x 540 native, pixel shift to 1080p |
| Streaming 15% | 100 Google TV with licensed Netflix | 100 Google TV with licensed Netflix |
| Setup 10% | 60 Autofocus, auto keystone | 60 Autofocus, auto keystone |
| Light life 10% | 100 30,000 hour LED | 100 30,000 hour laser |
| Gaming 10% | 50 input lag not published (neutral score used) | 50 input lag not published (neutral score used) |
| Warranty 5% | 0 1-year warranty | 0 1-year warranty |
Independent measurements
Nebula Mars 3 Air
| Tested by | Brightness | Input lag | Contrast | Conditions |
|---|---|---|---|---|
| ProjectorCentral | 399 lm | 44.1 ms | - | Maximum in Conference mode, which is very green; Movie mode measured 372 ANSI lumens. Lag at 1080p/60. |
Nebula Capsule 3 Laser
| Tested by | Brightness | Input lag | Contrast | Conditions |
|---|---|---|---|---|
| ProjectorCentral | 341 lm | 22.4 ms | - | Brightest in Custom mode; Standard 302, Movie 236. Output fell about 36% on battery. Lag 22.4 ms at 4K/60, 22.6 ms at 1080p/60 and 23.7 ms at 1080p/120 in Game mode; about 130 ms in Standard mode. Tested on the original Android TV 11 software. |
Specifications
| Nebula Mars 3 Air | Nebula Capsule 3 Laser | |
|---|---|---|
| Picture | ||
| Brightness | 400 ANSI | 300 ANSI |
| Native resolution | 960 x 540 | 960 x 540 |
| Picture resolution | 1080p (pixel shift from 960 x 540) | 1080p (pixel shift from 960 x 540) |
| Display | DLP | DLP |
| Light source | LED | laser |
| Light source life | 30,000 hours | 30,000 hours |
| HDR | - | HDR10 |
| Native contrast | 400:1 | - |
| Placement | ||
| Throw | Standard throw (1.2:1) | Standard throw (1.2:1) |
| Largest image | 150 in | 120 in |
| Autofocus | Yes | Yes |
| Auto keystone | Yes | Yes |
| Obstacle avoidance | Yes | - |
| Auto screen fit | Yes | - |
| Optical zoom | None | None |
| Streaming and gaming | ||
| Built-in apps | Google TV, licensed Netflix | Google TV, licensed Netflix |
| Top refresh rate | 60 Hz | 120 Hz |
| HDMI ports | 1 | 1 |
| eARC | No | - |
| Speakers | 16 W | 8 W |
| Build | ||
| Battery | 2.5 hours | 2.5 hours |
| Fan noise | 28 dB | 28 dB |
| Power | 90 W | 45 W |
| Dimensions | 7.01 x 4.8 x 5.24 in | 6.70 x 3.30 x 3.30 in (H x W x D) |
| Weight | 3.7 lb | 2 lb |
| Warranty | 1 years | 1 years |
| Released | 2023-11 | 2022-11 |