Camera comparison

Sony a6600 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 a6600 has one; with the FX30 you frame on the rear screen, harder in bright sun.
  • Weight: the FX30 weighs 143 g more (646 g against 503 g with battery and card).
  • Screen: tilts up 180° on the a6600, vari-angle on the FX30.
  • Cards: 1 UHS-I slot on the a6600, 2 UHS-II on the FX30.
  • Video: 4K up to 30p (24p from the full width) on the a6600; 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: 24.2 and 26 MP.
a6600
120 × 66.9 mm
FX30
129.7 × 77.8 mm
Card
to scale
Front, to one scale, from the makers' published sizes. Details simplified.

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Side by side

Differences only, as set.

2 cameras side by side, differences only
CameraSony a6600Sony FX30
Lens mountSameSony ESony E
SensorAPS-C 23.5 × 15.6 mm, 24.2 MPAPS-C 23.3 × 15.5 mm, 26 MP
In-body stabilisationSameYesYes
Viewfinder2.36M-dot electronicNone
Rear screen3" tilts up 180°, touch3" vari-angle, touch
Fastest burst11 fps mechanicalNot stated
Video4K up to 30p (24p from the full width)4K up to 60p oversampled from 6K; 4K 120p cropped
Memory cards1 slot, SD / Memory Stick, UHS-I2 slots, CFexpress Type A / SD, UHS-II
BatteryNP-FZ100, about 810 shotsNP-FZ100, about 570 shots
Charges over USBSameYesYes
Microphone socketSameYesYes
Headphone socketSameYesYes
Built-in flashSameNoNo
Weather sealingSameNot statedNot stated
Size (W × H × D)120 × 66.9 × 69.3 mm129.7 × 77.8 × 84.5 mm
Weight with battery and card503 g646 g
Announced20192022
Lenses that fit158158
Where to buyCheck price on AmazonSony pageCheck price on AmazonSony page

How big each one is

The FX30 is 9.7 mm wider, 10.9 mm taller and 15.2 mm deeper than the a6600 (129.7 − 120 = 9.7 mm wide).

a6600
120 × 69.3 mm
FX30
129.7 × 84.5 mm
From above: the depth includes the grip.

Choose by what matters to you

  • The a6600 if you want a viewfinder, or weight matters most, or you shoot action in bursts, or you want more shots per charge.
  • The FX30 if you want a backup card slot, or you film yourself or shoot from odd angles.
Add more cameras or a lens to the size comparison

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 a6600 is usually sold with the Sony E 18-135mm F3.5-5.6 OSS.

a6600: first picks

All lenses for the a6600

FX30: first picks

All lenses for the FX30

Questions

Which is lighter, the a6600 or the FX30?

The a6600: 503 g against 646 g, each with battery and card, by the makers' figures.

Do a6600 lenses fit the FX30?

Yes. Both use the Sony E mount.

Do the a6600 and FX30 use the same battery?

Yes, the NP-FZ100.

Facts checked 9 Oct 2026 against the makers' specification pages. How we check