These in-camera adjustments are usually referred to as Picture Profiles, Scene Files or Looks. You can also make adjustments to the sharpness and detail of the image. These new cameras allow the user to make adjustments to the image that alter the cameras response to things such as colour, contrast, black levels, and knee.
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Today’s professional cameras allow you to go way beyond the limits of standard HD (rec.709) to get more dynamic range, without straying too far from the HD standards. Rec.709 compliant signals are broadcast in an 8bit colour space and squeeze all the camera information into around 5 stops of dynamic range.īack in 1984 RCA introduced the first CCD imager in a television camera, the CCD-1 and it wasn’t long before CCD cameras would eventually have dynamic range capabilities that would exceed both the display dynamic range and the Rec.709 gamma function. Rec.709, sometimes known as BT.709 was implemented in 1990 with the introduction of 16:9 broadcasts. Rec.709 produces video that could air on television without any post-production color grading. The reason cameras do this is that rec.709 is the current television broadcast standard. The majority of cameras available today are designed to be able to record a rec.709 video-compliant signal.
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I am also going to look at some of these available options and provide some tutorials on how to use them.įirst of all let’s break down the difference between a LUT and a Look, scene file or Picture Profile. There are so many LUTs, film stock emulation and scene files available today that it can be hard to know what will work best for you. I’m going to explain the basic differences between them and run you through how to use them in the real world. There seem to be quite a few people out there who are not quite sure why, when and how you should use a Look, Picture Profile, LUT or LOG when your filming. By technical editor Matt Allard: The Sony HDW-F900 was probably the first digital camera to use an optimized gamma curve with similar contrast characteristics to a specified film gamma curve.
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