Camera comparison
Sony a6700 vs FX30: what actually changes
What changes for your kit, what stays the same, and the two drawn to one scale. From Sony's published specifications.
What changes
- Viewfinder: only the a6700 has one; with the FX30 you frame on the rear screen, harder in bright sun.
- Weight: the FX30 weighs 153 g more (646 g against 493 g with battery and card).
- Cards: 1 UHS-II slot on the a6700, 2 UHS-II on the FX30.
- Video: 4K up to 60p from the full width (6K oversampled); 4K 120p cropped on the a6700; 4K up to 60p oversampled from 6K; 4K 120p cropped on the FX30.
The same on both
- Same Sony E mount: every one of the 158 lenses fits both.
- Both stabilise the sensor.
- Similar resolution: 26 and 26 MP.
122 × 69 mmFX30
129.7 × 77.8 mmCard
to scale
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Side by side
Differences only, as set.
| Camera | Sony a6700 | Sony FX30 |
|---|---|---|
| Lens mountSame | Sony E | Sony E |
| SensorSame | APS-C 23.3 × 15.5 mm, 26 MP | APS-C 23.3 × 15.5 mm, 26 MP |
| In-body stabilisationSame | Yes | Yes |
| Viewfinder | 2.36M-dot electronic | None |
| Rear screenSame | 3" vari-angle, touch | 3" vari-angle, touch |
| Fastest burst | 11 fps mechanical · 11 fps electronic | Not stated |
| Video | 4K up to 60p from the full width (6K oversampled); 4K 120p cropped | 4K up to 60p oversampled from 6K; 4K 120p cropped |
| Memory cards | 1 slot, SD, UHS-II | 2 slots, CFexpress Type A / SD, UHS-II |
| BatterySame | NP-FZ100, about 570 shots | NP-FZ100, about 570 shots |
| Charges over USBSame | Yes | Yes |
| Microphone socketSame | Yes | Yes |
| Headphone socketSame | Yes | Yes |
| Built-in flashSame | No | No |
| Weather sealingSame | Not stated | Not stated |
| Size (W × H × D) | 122 × 69 × 75.1 mm | 129.7 × 77.8 × 84.5 mm |
| Weight with battery and card | 493 g | 646 g |
| Announced | 2023 | 2022 |
| Lenses that fit | 158 | 158 |
| Where to buy | Check price on AmazonSony page | Check price on AmazonSony page |
How big each one is
The FX30 is 7.7 mm wider, 8.8 mm taller and 9.4 mm deeper than the a6700 (129.7 − 122 = 7.7 mm wide).
122 × 75.1 mmFX30
129.7 × 84.5 mm
Choose by what matters to you
- The a6700 if you want a viewfinder, or weight matters most, or you shoot action in bursts.
- The FX30 if you want a backup card slot.
The lenses each one takes
Both take the same 158 lenses on the Sony E mount, so a lens bought for one moves to the other. The a6700 is usually sold with the Sony E 18-135mm F3.5-5.6 OSS.
a6700: first picks
- Everyday and travel: Sony E PZ 16-50mm F3.5-5.6 OSS II 24–75 mm equiv.
- People and portraits: Sigma 56mm F1.4 DC DN Contemporary 84 mm equiv.
- Wide scenes and rooms: Sony E PZ 10-20mm F4 G 15–30 mm equiv.
FX30: first picks
- Everyday and travel: Sony E PZ 16-50mm F3.5-5.6 OSS II 24–75 mm equiv.
- People and portraits: Sigma 56mm F1.4 DC DN Contemporary 84 mm equiv.
- Wide scenes and rooms: Sony E PZ 10-20mm F4 G 15–30 mm equiv.
Questions
Which is lighter, the a6700 or the FX30?
The a6700: 493 g against 646 g, each with battery and card, by the makers' figures.
Do a6700 lenses fit the FX30?
Yes. Both use the Sony E mount.
Do the a6700 and FX30 use the same battery?
Yes, the NP-FZ100.
Facts checked 9 Oct 2026 against the makers' specification pages. How we check