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CINEMA EOS
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The final output Luma video signal is made up of proportions of the three RGB signals and will be subject to their respective noise levels in the dark scene areas and their sepa rate image sensor clipping levels in the highlight areas. The task becomes one of anchoring or m apping a point on the image sensor linear transfer characteristic that defines a reference exposure point that will help ensure optimization of the overall cam era operational performance . The native sensitivity rating of the camera will be defined by the selection of this reference point.
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Understanding the EOS C300's Canon Log Gamma
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This article will discuss the new Canon Log Gamma of the Canon EOS C300, show sample images and discuss its advantages in post-production. The article will also explain how the View Assist feature works and discuss CP CINEMA Locked Mode.
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CINEMA EOS
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The discussions in the White Paper (Deep Dive Part 1 ) centered about the all -important linear representation of the camera video. Now that video must be further “prepped” in a manner that can help ensure that the extensive dynamic range created by the imaging system will be fully protected while being recorded – and also as it is transported over industry standardized interfaces. This is the primary role of the camera’s Optoelectronic Transfer Function (OETF).
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WhitePaper-imageperformanceenhancements-eosc300markii.pdf
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At ISO 800 the exposure latitude is 6.3-Stops over gray and 8.7-Stops below gray – and this is termed the Base ISO. Increasing ISO levels above this Base level is implemented by an analog gain control within the image sensor itself and this helps maintain a consistent disposition of exposure about the gray reference all the way up to maximum ISO 102,400.
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whitepaper-ergonomic-operational-enhancement-eosc300markii.pdf
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Many requested the capability of showing the waveform monitor and principal camera settings (presently shown only on the 4-inch LCD monitor of the C300) on an external on-set reference monitor as well as in the camera monitor. In the C300 Mark II the capability has been added to send the WFM and certain camera assist information viatheMON3GSDIinterface and HDMI interface.
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