Pretty much a requirement for macro photographyīecause of the very shallow depth of field one has to deal with when focusing on close-up objects, it's often difficult to get more than a part of the subject in focus, while the rest of the image will be a blurry mess. It is very easy to use, with most of the process being automated, while also allowing for manual adjustments. Helicon Focus uses a technique called focus stacking to combine multiple photos with different focus distances, resulting in an image where everything is in focus. This is visible in any kind of photo, but it is especially problematic for macro/micro and landscape photography. Objects that are in the shot but are further away or closer than the focus distance will appear out of focus. Just like the human eye, cameras can only focus on objects at a certain distance from the observer.
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