I can clarify definitively some points I wasn’t entirely sure about until today:

Sensor:

Sony A7sIII uses a new 12MP BSI sensor. There is no indication it uses the 48MP Quad sensor (downscaled to 12MP).

Cooling:

Sony A7sIII has no active vent. It only uses a pure new passive cool system.

Cards:

The camera has two slots. And each slot is capable of taking SD cards and the brand new CFexpress Type A cards.

Sony didn’t tell testers the exact price. In the USA they told them the price would be in the $3,500 range. But today a retailer told me the price in Europe would be around 4.000€.

If you know the exact price please drop me a message using the anonymous contact form. Thanks!

A7sIII now listed at BHphoto and in Germany at Fotokoch

A source who saw and tested the camera asked Sony about the price of the A7sIII. They didn’t give him the exact pricing but let him understand it will be something around the $3,500 range.

Rumored Sony A7sIII specs:

• New 12MP sensor with fast readout
  
• records FHD 240fps, 4k120fps 10bit 4:2:2 and 4K120fps raw over HDMI
• 600mbps bitrate
• Base ISO 160 for S-LOG3
• no Dual ISO
• Max ISO 409600 (video)
• 16bit RAW output
• Sony claims 15 stops dynamic range
• 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 and CFexpress Type A card support (each of the two slots takes them both!)
  
• Looks pretty similar to a Sony A7rIV.
• fully articulating screen like the one used by the Sony ZV-1.
• announcement late July
• shipment start mid August
• price around $3500

It’s finally time to join our Sony A7sIII facebook group!

image by CDRinfo

This image shows the classic SD card on the left and the new CFexpress Type A card on the right. If the rumor is true than both cards will fit into the same slot. Really want to see how this works!

UPDATE: Our reader “Phanter” (Thanks!) made this image to explain how this hybrid slot might work:

A couple of days ago I got an odd rumor about the A7sIII card slot types and finally today I got the definitive answer:

The Sony A7sIII will be the first camera to use the new CFexpress Type A cards. The cool thing is that the two slot camera will be capable to use two kind of cards in the same slot: SD cards and CFexpress Type A cards.

Nice solution form Sony! But the big question is: How much are those cards going to cost? Yet not a single of them is available on the market.

Rumored Sony A7sIII specs:

• New 12MP sensor with fast readout
  
• records FHD 240fps, 4k120fps 10bit 4:2:2 and 4K120fps raw over HDMI
• 600mbps bitrate
• Base ISO 160 for S-LOG3
• no Dual ISO
• Max ISO 409600 (video)
• 16bit RAW output
• Sony claims 15 stops dynamic range
• 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 and CFexpress Type A card support (each of th two slots takes them both!)
  
• Looks pretty similar to a Sony A7rIV.
• fully articulating screen like the one used by the Sony ZV-1.
• announcement late July
• shipment start mid August

It’s finally time to join our Sony A7sIII facebook group!

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On July 28 10:00 be sure to be online here on SonyAlphaRumors to follow the video livestream event. To not miss any future rumors and leaks follow me on Twitter, Facebook and Disqus.

I just got this from one reliable source:

The Sony A7sIII will have a double card slot. It has two slots both capable of taking SD cards and CFexpress mini.

Now here comes the confusion: I trust this source but he said “CFexpress mini”. Don’t know if he meant the well known CFexpress Type B cards or if Sony will use the new CFexpress Typ A cards. If you wonder what those cards are Explora wrote an article about it:

Most recently, the CompactFlash Association has released the CFexpress 2.0 specification. This allows for three different card formats. Type A is the smallest and can feature up to 1 lane for 1 GB/s transfers.

Or maybe he meant the new SDexpress cards? If someone reading this knows the answer drop me a message!

–

Note for SAR readers: The reliable source only writes through contact form. So I hope he reads this and clarifies the rumor

SonyAlphaUniverse just launched this teaser image! It confirms the validity of our rumor and indeed the camera will be announced on July 28. This gives me hope my rumored specs aren’t far off neither :)

To recap these are the rumored specs we got from early testers. Please keep in mind they had short time with a prototype version. This means some features may not be final or not entirely correct because of this:

• New 12MP sensor with fast readout (unclear if is it the Quad Bayer 48MP sensor with effective 12MP or a “simple” 12MP)
• records FHD 240fps, 4k120fps 10bit 4:2:2 and 4K120fps raw over HDMI
• 600mbps bitrate
• Base ISO 160 for S-LOG3
• no Dual ISO
• Max ISO 409600 (video)
• 16bit RAW output
• Sony claims 15 stops dynamic range
• world’s highest resolution new 9.44 million dot EVF (QXGA resolution)
• new kind of passive (noise free) cooling system with a mesh on the side to let air in??? (Camera still weather sealed)
  
• no overheating, no recording time limits
• UHSII card support
• Looks pretty similar to a Sony A7rIV.
• fully articulating screen like the one used by the Sony ZV-1.
• announcement late July
• shipment start mid August

It’s finally time to join our Sony A7sIII facebook group!

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On July 28 10:00 be sure to be online here on SonyAlphaRumors to follow the video livestream event. To not miss any future rumors and leaks follow me on Twitter, Facebook and Disqus.