Between the FDR-AX700 and FX30, the FDR-AX700 comes out ahead in optical zoom, while the FX30 wins on max video and sensor size. Overall, the FDR-AX700 scores 66.2 and the FX30 scores 35 on our Mars Score.
Which should you buy?
The FDR-AX700 is the clear pick on raw spec strength, leading by 31.2 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the FDR-AX700 if you care most about optical zoom. The biggest gaps in its favor are optical zoom.
Pick the FX30 if you care most about max video and sensor size. Its strongest claims are max video, sensor size.
Both ship with comparable xlr input, so those specs don't separate the two — focus on the differences below.
Bottom line: the FDR-AX700 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Sony - FDR-AX700 wins
- ▲Optical zoom: 12 vs 0.
Why Sony - FX30 wins
- ▲Max video: 4K120 (vs 4K30).
- ▲Sensor size: APS-C (vs 1").
Spec comparison
Video
| Spec | Sony - FDR-AX700 | Sony - FX30 |
|---|---|---|
| Max video | 4K30 | 4K120lead |
| Optical zoom | 12lead | 0 |
| Sensor sizeⓘ | 1" | APS-Clead |
Audio
| Spec | Sony - FDR-AX700 | Sony - FX30 |
|---|---|---|
| XLR input | false | false |
| Headphone jack | true | true |
Design
| Spec | Sony - FDR-AX700 | Sony - FX30 |
|---|---|---|
| Weight | 934 g | 646 glead |
| Articulating screen | true | true |
Frequently asked
Spec-level deep dives
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