STACK ’EM UP

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

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 the background into soft focus. But often this isn’t enough to render the entire subject in sharp focus. The…

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

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