Canon Working on Global Shutter With High Dynamic Range, by Alex Cooke

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Apr 132017
 

Canon has developed a 2/3″ sensor with a global shutter and high dynamic range, helping to pave the way toward future generations of video cameras.

The rolling shutter is a common issue in video. Because most cameras read each frame of sensor data by scanning across the frame either vertically or horizontally, this means that data from the sensor is not read simultaneously, which can cause artifacts, particularly with quickly moving subjects, the most common example being airplane propellers.

While certain cameras such as the Sony F55 have a global shutter, which reads all sensor data at the same time, the majority still use rolling shutters. Canon’s global shutter CMOS sensor initially had a smaller dynamic range that required two improvements to regain a wider range.

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Apr 142015
 

Obviously aerial and gimbal movement is becoming very popular among serious filmmakers and videographers recently, even Arri went into the market of small and lightweight designs with their Arri ALEXA Mini.
The new cameras by Blackmagic are seriously tough competition to any manufacturer producing small cameras for cinematic images. They capture 12-bit RAW inside a tiny form factor.
The Blackmagic Micro Cinema Camera has a super16 sized sensor and has a global shutter that prevents motion artefacts on drones or other fast paced recordings.
The Blackmagic Micro Studio Camera 4K has a rolling shutter but the advantage of recording UltraHD internally.
Both cameras feature an expansion port with numerous connection features that let you remote control the camera via existing ATEM hardware or aerial control hardware. It has a single cable S.Bus and 4 PWM channels.

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