A macro lens enables you to focus extremely close to a subject so that it's reproduced at life-size on the camera sensor, opening up a world of incredible detail that's impossible to see with the naked eye. The drawback is that at such close focusing distances depth of field becomes extremely shallow, and will be only a matter of millimetres even if you stop down to a narrow aperture - so all that detail is lost from all but a very narrow band of sharp focus.
The solution is focus stacking. Take a series of shots, each at a slightly different focus distance, then combine the images to include the sharpest elements from each shot. It sounds complicated, but all the hard work is easily done in software, and it's a largely automated process.
You simply focus on the closest part of the image, take a shot, then twist the focus ring a tiny bit and take another shot, repeating the process until the most distant part of your subject is in focus. Some new cameras make things even easier with 'focus shift' shooting modes which automatically takes a series of shots each at a slightly different plane of focus.
この記事は Photography week の March 07, 2024 版に掲載されています。
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この記事は Photography week の March 07, 2024 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、8,500 以上の雑誌や新聞にアクセスしてください。
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