RUMOR: More info about that new A7sIII cooling system (still weather sealed) and the claimed 15 stops dynamic range (no dual ISO?)

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Two sources shared some more info about the A7sIII camera. I thank them both! Disclaimer: The sources are testing prototype cameras. So some features might change or are not reported at all because of this.

Source 1 (first time source so take it with a grain of salt):

The new passive cooling system of the A7SIII will be a little slit on the right side of the camera (where all the ports are) which allows air to get in and out of the camera which allows it the be cooler because the camera isn’t completely sealed. Because it’s a passive cooling system, it will not make any noise or sound so it won’t interrupt audio when recording video. The passive cooling slit on the side has a mesh so the camera will still be weather sealed.
It will not have dual (native) ISO which more expensive cinema cameras have like the Blackmagic Cinema Camera 4k. It will, however, have a new sensor that has very fast read/transfer speeds (for the high frame rates (4K 120, 1080p 240).

Source 2:

We are currently shooting a video with the successor to the A7SII the footage out of this tiny beast is incredible we are shooting 4K 120FPS 10BIT 4:2:2 with 15 stops of dynamic range, our tests showing comparable to an Arri Alexa Mini

SAR note: I want to stress that the 15 stops dynamic range is a claim made by Sony marketing (if the rumor is true). Which means real DR might be a bit lower…

Rumored A7sIII specs recap (based on A7sIII protoype cameras)

  • 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 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

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.

 

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RUMOR: Sony A7sIII has 15 stops dynamic range, 16bit RAW output and 600mbps bitrate, 160 base ISO with S-LOG3

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Three additions to the currently known specs:

600mbps bitrate
16bit RAW output
Sony claims 15 stops dynamic range
iso is still the same as previous a7s2 –  409600
Base ISO for slog 3 is 160 instead of 1600 (As7II) on the pre-production unit.

I keep receiving bits of info from different sources. Not all info may be 100% accurate because most of the sources saw prototypes and maybe they missed some parts or Sony might not have enabled the full features.
Also: I have been told Sony uses a new passive cooling system. But I sill got no confirmation if this means there is no active vent at all (it may be that it has a vent for extreme conditions only?).

Rumored A7sIII specs recap

  • 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
  • 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 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

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.

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Sony Tidbits…

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Sony FE 35mm f/1.8 Lens Review – Real World, Lab, Video, and More..

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Personal photos and tests from SAR Admin Andrea on Instagram, Twitter, Facebook, Flickr and 500px.

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Limited time deal: Save 25% on the entire Adobe Creative Cloud apps and $140 on the Sigma 56mm f/1.4 sold by Adorama

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We got two new limited time deals:

  1. Til July 17 you save 25% on the entire Adobe Creative Cloud apps (Click here) for USA only!!!
  2. Save $140 on the Sigma 56mm f/1.4 sold by Adorama.

More software deals:

Topaz released a new major update on their Video Enhance AI software. You can buy it for $170 instead of the original $299 price if you use our checkout code “RUMOR”

You save 25% on Capture One (Click here) using the discount code “TAKE25OFF“. If you want to first test the software a free 30 day trial of Capture One can be downloaded here.

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Viltrox 20mm f/1.8 FE review by Opticallimits: “not only very affordable, but it is also almost a steal considering the large aperture”

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Viltrox 20mm f/1.8 at BHphoto, Amazon US, Amazon DE, Amazon UK, Amazon FR, Amazon ES, Amazon IT.

Opticallimits tested the Viltrox 20mm f/1.8 FE lens and concluded:

The Viltrox PFU RBMH 20mm f/1.8 ASPH enters a rather crowded space but it has a couple of differentiators that set it apart from the rest of the gang. There is, of course, the fast maximum aperture of f/1.8. The image quality is perfectly fine in the image center whereas the borders are quite soft. This may or may not be important depending on the target application. If you are into shallow depth-of-field photography, this isn’t really an issue for instance whereas for astro photography this isn’t ideal. If you stop down, the quality improves quite a bit and it’s really good at medium aperture settings. Lateral CAs are low and you don’t have to worry about image distortions either. The vignetting is on the high side though. The quality of the bokeh (out-of-focus blur) is pretty good for a lens in this class.
The build quality is excellent thanks to a tightly assembled, all-metal-construction. The price you have to pay for the solid body is the high weight and it isn’t a small lens either. Weather-sealing is not provided but that’s no surprise at this price point. If you are into videos, you will love the dampened control rings and yes, it has a step-less aperture ring – but no stepped mode. On the downside, it’s a fully manual lens with no coupling so if you can’t live without AF, a camera-controlled aperture and EXIF data, this lens is not for you. The Viltrox lens comes with two different lens hoods – one that is optimized for the job and a 2nd one that accepts conventional, albeit large filters (82mm). It’s a smart approach to have the choice without having to rely on aftermarket solutions. The quality of the lens cap could be better though.
Another differentiator is, of course, the price. At just under 400USD/EUR, it is not only very affordable, but it is also almost a steal considering the large aperture.
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