Use your thumb

NPhoto - - Over To You -

In ad­di­tion to set­ting con­tin­u­ous AF and drive mode when shooting fast-mov­ing wildlife, it’s also a good idea to use back-button fo­cus­ing. It works a bit like a mis­sile-guid­ance sys­tem: keeping the ac­tive AF point trained on your sub­ject, you sim­ply keep your thumb pressed down on the AF-ON button on the rear of the cam­era to con­tin­u­ously ad­just the fo­cus, and then fire off a short burst as your sub­ject fills the frame. Higher-end mod­els fea­ture a ded­i­cated button for this, but with en­try-level mod­els it has to be set in the Cus­tom menu (see your cam­era’s man­ual for de­tails).

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