First of all I can now confirm that obviously the new camera will be named Sony A7sIII. Some speculated it might have a new name or jump a generation from Sony A7II to Sony A7IV. Well it’s not :)

New 12MP sensor:

It is a new 12MP sensor with fast readout. So no fancy global shutter :)

No overheating no recording time limit:

As you see from the official graph on top (thanks Jeff Ratcliffe) the Canon EOS-R5 has two kinds of limits:

1. Unless you shoot 4k30p: In ideal conditions which means room temperature, no hot days, no sunlight, no artificial light it will stop after 15-30min to avoid overheating.
2. Recording time is limited to 29m59secs in all modes anyway

The past hours three Sony A7sII successor testers made it clear the Sony A7sII successor will not have such limitations:

“A7sii successor will not have any recording time limits”

No overheating limitations and no default recording time limit of 29m59secs. So if it comes to professional video use the Sony A7sIII will surely outperform the Canon.

Rumored A7sIII specs recap

• New 12MP stacked sensor with fast readout
• records FHD 240fps, 4k120fps 10bit 4:2:2 and 4K120fps raw over HDMI
• Looks pretty similar to a Sony A7rIV.
• world’s highest resolution new 9.44 million dot EVF (QXGA resolution)
• new kind of passive (noise free) cooling system
  
• no overheating, no recording time limits
• UHSII card support
• announcement late July

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We got some more info about the A7sII recording capabilities: FHD 240fps, 4k120fps 10bit 4:2:2 and 4K120fps raw over HDMI.

Rumored A7sII successor specs so far:

• records FHD 240fps, 4k120fps 10bit 4:2:2 and 4K120fps raw over HDMI
• Looks pretty similar to a Sony A7rIV.
• world’s highest resolution new 9.44 million dot EVF (QXGA resolution)
• new kind of passive (noise free) cooling system
  
• UHSII card support
• announcement late July

So it looks like this camera might not have 8K recording..which makes sense anyway. This camera isn’t a toy (just trolling!) meant to give you limited 8K capabilities. It’s all about top 4K quality video.

To readers: Follow us on Twitter, Facebook and Discord!
To sources: Send me your rumors at sonyalpharumors@gmail.com or use the anonymous contact form.

As you know Sony said the As7II successor will have “everything new”. As a consequence of this I saw on the web some websites speculating about a completely new design of the camera. I now know of two people that saw and tested shortly the A7sII successor. While they can’t unveil the specs for obvious reasons they said that the camera design will not change dramatically and it looks pretty similar to a Sony A7rIV.

Rumored A7sII successor specs so far:

• Looks pretty similar to a Sony A7rIV.
• world’s highest resolution new 9.44 million dot EVF (QXGA resolution)
• passive (noise free) cooling system
• UHSII card support
• announcement late July

What Sony said about the As7II successor:

• announcement this summer
• will “exceed everyone’s expectations“.
• The ‘S’ originally stood for ‘sensitivity’ but now it should stand for ‘supreme’ in terms of image quality, and expression
• at least 4K/60p, 10-bit 4:2:2 but it will be more
• Raw video

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If someone reading this post has any A7sIII specs info drop me a message using this anonymous contact box (use an nickname to be recognizable in the future) or drop me an email at sonyalpharumors@gmail.com. Thanks!