But because we are at the bottom stop, it has no colour depth to be subtle, so it can only choose full-on green. If the red you see with your eyes is just a smidgen closer to green than to red, for example, the conversion might decide that the single bit it has control over should go in the Green column. Now, the sensor-to-digital-signal conversion has to decide which of the eight potential values is the correct one. Let’s say you have an 8 bit camera, and the sensor happens to have exactly 8 stops of dynamic range ( for the exercise ). To understand ETTR, we need to look at digital sensors and how they work.įirst, you need to adjust your brain to think in binary, not base 10! ( Don’t worry, I’ll try to make it easy with the examples below )
This highlight retention is critical in making an image look filmic while minimising sensor noise, but why is it the best technique to use for video? The foundation of Leeming LUT Pro™ is shooting for maximum dynamic range while retaining highlight information by Exposing To The Right ( ETTR ), but not overexposing. False Colour – differently coloured areas depending on underlying exposure level.Histogram – a horizontal graph showing exposure on the X axis, and the percentage of image exposed at each level on the Y axis.Zebras – rolling 45° black lines over areas that exceed the set exposure level.The main tools to judge exposure on a video camera are, generally speaking: To do this successfully and efficiently, we require some visual tools to help us in camera.
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We need to learn about the term ETTR HOW TO SHOOT USING ETTR PRINCIPLESĮxposing To The Right ( ETTR ) after white balancing is the way we maximise the camera’s dynamic range and tonality while minimising shadow noise. This is a very special LUT package and I don’t really understand how it works right now.
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Leeming LUT Pro™ is the world’s first unified, corrective Look Up Table ( LUT ) system for supported cameras, designed to maximise dynamic range, fix skin tones, remove unwanted colour casts and provide an accurate Rec709 starting point for further creative colour grading.
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