One year later, Leica is now launching its 
at Photokina, the S3 medium-format camera, which will be tased at Photokina in 2018. This camera uses the entire huge 30mm x 45mm medium-format sensor area to capture FullHD and DCI Cinema 4K video (4,096 x 2,160) using the new Maestro II image processor.
The new medium format Leica ProFormat CMOS sensor of the S3 has a resolution of 64 megapixels (S2: 37.5 megapixels) in contrast to its 2011 predecessor model S2 and is, like this one, 56% larger than a full format/full frame sensor - here you can see it clearly in our sensor size comparison based on the predecessor model Leica S2.
Leica S3
The sensor of the S3 has a dynamic range of 15 f-stops and a maximum ISO of 50,000. Against the trend, it uses a true optical viewfinder with pentaprism 0.87x magnification. The LCD display shows live images at 60fps and also features an electronic leveling aid, brightness and exposure data display, clipping warning, grid and histogram, and focus peaking which can be superimposed on the image.
DCI-4K video is stored as 8-bit 4:2:2 MotionJPEG as MOV at 24fps (FullHD at 24/25/30 fps) - via HDMI, an 8-bit 4:2:2 livestream is output in FullHD for external recording or monitor control. It is also capable of recording up to 3 images in full 64 megapixel resolution per second.
Leica S3 rigged
Audio is recorded in 48 kHz 16-bit stereo and automatically or manually levelled. Video is recorded to either CF or SDXC cards using the two dual memory slots (4K video recording requires SD cards (UHS-I). Image and video data is transferred to the computer via USB 3.0.
The Leica S3 costs just as much as its predecessor, the S2, when it was launched, namely 18,600 Euros - delivery will start in March. The exact technical data can be found at PDF.
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