As much Depth of Field as Possible

In close-up and macro f-stops are an important part of the process as they control depth of field. As the magnification of a subject increases, so the depth of field decreases. To enable as much depth of field as possible, apertures that provide the most depth of field (such as f22) are recommended.

fig. 8.3 Once I have set my aperture I simply adjust the power setting control on the rear of my Inon Z220 flashgun to achieve a good exposure. For those of you who use a TTL flash, it automatically discharges sufficient light to expose the subject correctly.

fig. 8.3 Once I have set my aperture I simply adjust the power setting control on the rear of my Inon Z220 flashgun to achieve a good exposure. For those of you who use a TTL flash, it automatically discharges sufficient light to expose the subject correctly.

Tips

Consider the subject and its orientation within the composition. Next, consider the parallel plane of most importance. Using your left hand, reach out and place the open palm parallel to this plane.

Draw your hand back towards the front port of the housing and align the port plane parallel to the angle of your hand. If you cannot use your hand in this way, just concentrate your eye on adopting a parallel placement.

This is another reason why a flashgun is always used, because in the majority of cases natural light has no influence. Whilst there are exceptions to the rule (see 'Blue Water Close-Up' later in this chapter), everything that is illuminated within the frame is generally lit by the flashgun. If the flashgun fails to fire, then the entire picture area will be black.

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