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 rates 3.3 among under 1080p projectors; the KOGATA GC357 VIDAA rates 3.2 among native 1080p ones. The KOGATA GC357 VIDAA costs $20 less ($499.99 vs $519.99).
KOGATA GC357 VIDAA
#80 in Native 1080pFull review
A TV-like VIDAA projector with licensed Netflix and AirPlay for Apple households. It costs more than rivals that publish a brightness rating.
Amazon $499.99$499.99
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.
Scores side by side
These two sit in different type classes (under 1080p and native 1080p), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Nebula Mars 3 Air | KOGATA GC357 VIDAA |
|---|---|---|
| Overall rating | 3.3/5 | 3.2/5 |
| Brightness 25% | 31 400 ANSI lumens | 0 no ANSI or ISO brightness rating |
| Value 15% | 0 $1.30 per lumen | 50 no rated brightness (neutral score used) |
| Resolution 10% | 70 960 x 540 native, pixel shift to 1080p | 100 1920 x 1080 native |
| Streaming 15% | 100 Google TV with licensed Netflix | 100 VIDAA with licensed Netflix |
| Setup 10% | 60 Autofocus, auto keystone | 60 Autofocus, auto keystone |
| Light life 10% | 100 30,000 hour LED | 50 light source life not published (neutral score used) |
| 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. |
KOGATA GC357 VIDAA
No independent test published yet.
Specifications
| Nebula Mars 3 Air | KOGATA GC357 VIDAA | |
|---|---|---|
| Picture | ||
| Brightness | 400 ANSI | - |
| Native resolution | 960 x 540 | 1920 x 1080 (1080p) |
| Picture resolution | 1080p (pixel shift from 960 x 540) | 1080p |
| Display | DLP | - |
| Light source | LED | - |
| Light source life | 30,000 hours | - |
| HDR | - | HDR10 |
| Native contrast | 400:1 | - |
| Placement | ||
| Throw | Standard throw (1.2:1) | Standard throw |
| Largest image | 150 in | - |
| Autofocus | Yes | Yes |
| Auto keystone | Yes | Yes |
| Obstacle avoidance | Yes | - |
| Auto screen fit | Yes | - |
| Optical zoom | None | - |
| Streaming and gaming | ||
| Built-in apps | Google TV, licensed Netflix | VIDAA, licensed Netflix |
| Top refresh rate | 60 Hz | - |
| HDMI ports | 1 | - |
| eARC | No | - |
| Speakers | 16 W | 60 W |
| Build | ||
| Battery | 2.5 hours | None |
| Fan noise | 28 dB | 28 dB |
| Power | 90 W | - |
| Dimensions | 7.01 x 4.8 x 5.24 in | 9.3 x 6.9 x 3.46 in |
| Weight | 3.7 lb | 2.8 lb |
| Warranty | 1 years | 1 years |
| Released | 2023-11 | - |