The Sony RX0 II (DSC-RX0M2, 2019) is a cube-shaped 1-inch ultra-compact — waterproof to 10 m, dustproof, and shockproof. It uses an electronic shutter only, so the ARW exposure counter carries no mechanical wear meaning.
Check Exposure Count →The Sony RX0 II uses a 15.3 MP 1-inch Exmor RS BSI CMOS stacked sensor with a fixed 24mm f/4 (equivalent) waterproof lens. The stacked sensor design enables ultra-fast readout (up to 1/32,000 s electronic shutter) without the traditional curtain mechanism. There is no mechanical focal plane shutter — all exposures are electronic only. The ARW file embeds a total-exposure counter, but this reflects cumulative electronic activations, not any mechanical wear state.
| Model | Release | Sensor | Shutter Type | Protection |
|---|---|---|---|---|
| Sony RX0 II | 2019 | 15.3 MP 1-inch stacked | Electronic only | IP68 (10m), shock, crush |
| Sony RX0 | 2017 | 15.3 MP 1-inch stacked | Electronic only | IP68 (10m), shock, crush |
| Sony RX100 VII | 2019 | 20.1 MP 1-inch stacked | Electronic only | None |
| Sony ZV-1 | 2020 | 20.1 MP 1-inch stacked | Electronic only | None |
exiftool -ShutterCount yourfile.ARW in a terminal. ExifTool reliably reads Sony ARW MakerNote data for all RX-series cameras.With no mechanical shutter, the main concerns when buying used are physical condition and waterproofing integrity:
| What to Check | Why |
|---|---|
| Waterproof gasket | Open and close battery/memory door — the orange gasket should be clean and uncompressed; any damage breaks IP68 waterproofing |
| Lens glass | Fixed lens — scratches from rocks, coral, or abrasives are permanent |
| Sensor after underwater use | Even with IP68 rating, heavy dive use can degrade seal over time — check for moisture artifacts in images |
| Battery contacts | Salt water exposure (even with sealing) can corrode battery terminals; inspect for white deposits |
| Tilt LCD hinge | RX0 II adds a tilt LCD vs original; check it moves smoothly and holds position |
| Feature | RX0 II | RX0 (original) |
|---|---|---|
| LCD | Tilt (up 180°, down 90°) | Fixed (no tilt) |
| 4K video | Internal 4K/30p | External only (via micro HDMI) |
| Eye AF | Improved Real-Time Eye AF | Basic AF |
| Connectivity | Micro USB + HDMI | Micro USB + HDMI |
| Sensor & lens | 15.3 MP 1-inch, 24mm f/4 | Identical |
| Waterproofing | IP68, 10m | Identical |
No. The RX0 II is electronic-shutter only — there is no focal plane curtain. The ARW exposure counter tracks total electronic activations. This has no mechanical wear significance.
Yes. The RX0 II shoots in Sony ARW RAW format alongside JPEG. RAW files can be processed in Lightroom, Capture One, and Sony’s own Imaging Edge software. The ARW file also contains the exposure counter readable by shuttercount.app.
The RX0 II records 4K/30p internally (with a 1.7× crop) and 1080/120p for slow-motion. It can also output uncompressed 4K via micro HDMI to an external recorder without cropping.
The RX0 II is rated waterproof to 10 metres (IP68) without any housing — suitable for snorkelling and shallow diving. For deeper dives, Sony and third-party underwater housings extend the depth rating further. Always rinse in fresh water after salt water use and inspect the battery door gasket before each dive.