STACK ’EM UP

Uses focus stacking to maximise depth of field in close-up

What you’ll need DSLR Macro lens Tripod Shutter release cable Still subject Photoshop CC/CS (or specialist photo stacking software) Focus stacking is a handy technique used to extend the depth of field in your images. This technique is commonly used in extreme close-up photography as depth of field is so limited. Depth of field is determined by three factors: focal length, distance to subject and aperture. Macro lenses tend to have long telephoto focal lengths – like the Sigma 105mm lens we’re using – and you have to get in close to your subject to achieve full-size magnification, both of which leave you with a very shallow plane of focus. This is why narrower apertures are typically used in macro photography to ensure the subject is sharp, while blowing out…

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Teach Yourself Macro Photography (Digital) - 1 Issue, Teach Yourself Macro Photography 2

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