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One that was added shortly after the launch of the model and has been improved over time is the Merge to HDR function. My editing tool of choice is Adobe Lightroom and one of the benefits of the subscription method has been the new features that are added every couple of months. The two programs that we will use are Adobe Lightroom and Aurora HDR 2019. In the next section we’ll look at two different ways of using these photographs to produce an image that is much closer to the one that was seen at the time of shooting. If a camera had 14 stops of dynamic range by taking three images each two stops different, we would theoretically capture 18 stops of light as shown in the diagram below.
Aurora hdr 2019 noisy process software#
By combining these three images later in software we can take the highlights from the under-exposed shot, the shadows from the over-exposed capture and the mid-tones from the ‘correct’ image. It has become the practice to take at least three images, one which is exposed ‘correctly’, one that is under-exposed and a final one which is over-exposed.
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In order to expand the dynamic range of a photograph, we need to start by taking multiple exposures of the scene. When the brighter part of the scene is spread through the picture or in the centre HDR photography is a good way to capture what we can see. You can, of course, expand the dynamic range by using graduated filters but this will only work where the brighter part of the image is at the edge of the picture. Most of the time 15 stops of light will cover most scenarios but in particularly high contrast scenes the capability of the camera is going to be unable to deal with the dynamic range. By contrast, the dynamic range of a DSLR will be somewhere between 12 and 15 stops. The combination of eyes and the way we process vision results in a dynamic range of around 20 stops (also known as Exposure Values EV). There can be various reasons for this, but one will be the dynamic range of the image is greater than the camera can capture. One of the most common statements I hear from new photographers is that their photographs don’t look like the scene they can see.