Today, Sony is releasing an update on their strategy for Interchangable Lens cameras. For those who can't watch the presentation, here is a quick rundown:Five fundamentals:LensImage QualitySpeed Battery LiveCompact & Lightweighta9 Transformed the experience of professional sports & news photography. Today will expand the world of Alpha, through innovation, establishing another milestone:61.0 MP full-frame sensor15-stop dynamic range10 FPSA7R IVMedium Format level image quality5-axis internal image stabilization52 native lenses1 mount - stills, cinema, Full-Frame, APS-C .... all using the same mount (E Mount)Mark Weir - Senior Technology Manager Another milestone in mirrorless:New standards of image qualityNew creative opportunities61 "effective" MP15 stops of dynamic rangenew generation of image sensor, backside illuminated sensor, even lower noise."Resolution to spare"They showed several examples of images with extreme cropPixel Shift multi-shooting mode can create images up to 240 MP - another level of performance in an easy-to-handle cameraAPS-C Crop mode: 26 MP567 phase detection points covering 74% of the Frame in Full Frame325 phase detection points covering virtually the entire frame in APS-C modeWorld's first 61 MP - ExmorR CMOS SensorSpeed: 61MP x 10FPS continuously - up to 68 images with continuous AF and AE trackingReal-time Eye AF/tracking as in the a9 (first time in an R) (human & animal)Movie capture: full width S-Log 2 & 3 for 14-stop dynamic range, HLG Hybrid Log Gamma, Touch TrackRevolution in video autofocus: real time Eye AF for videoAudio - Digital audio interface between the microphone and the camera - the microphone has its own A/D converter built in. New digital microphone, rather than an analog microphone, so it's digital info straight into the cameraDual UHS-II slotsRefined focus control boosts productivity5.76 dot UXGA OLED view finderimproved gripenhanced dust/moisture sealing2.4 and 5 Gb WiFiUSB C connectorStudio sync connectorSeptember: $3,500 US ($4,500 Canadian)New vertical grip VG-C4EM ($400/$530) Microphone: ECM-B1M - 8 mic capsules in a microphone 4" long - comprehensive controls, 3 different patterns user selected ($350/$470) - can be switched to analog mode for other camerasAdapter: XLR-K3M - adapts other microphones with a A/D converter October ($600/$800)

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