Sony A7RIII ILCE-7RM3A Operating Instructions Manual page 729

If you point the camera at an extremely strong light source while shooting images with a low ISO sensitivity, highlighted
areas in the images may be recorded as black areas.
On image data compatibility
This product conforms with DCF (Design rule for Camera File system) universal standard established by JEITA (Japan
Electronics and Information Technology Industries Association).
Services and software provided by other companies
Network services, content, and the [operating system and] software of this Product may be subject to individual terms
and conditions and changed, interrupted or discontinued at any time and may require fees, registration and credit card
information.
Notes on connecting to the internet
To connect the camera to a network, connect it through a router or a LAN port with the same function. Failure to connect
in this manner may result in security issues.
Optional accessories
It is recommended that you use genuine Sony accessories.
Some Sony accessories are only available in certain countries and regions.
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