Focus Trap

In the menu set the Catch-in-focus = 2. Set the Auto power off = OFF. In the Fn menu set Continuous shooting to on. On the side of the camera set the AF-S/AF-C/M switch to AF-S. Set the Mode dial to Av. Set the focus point to Center. Attach a locking wired remote. With a Quick-shift type lens just manually adjust focus to where a future subject (hummingbird) will be. Without Quick-shift then hold the lens removal button in while half pressing the shutter and focusing the lens to the point where the future subject will be. Press and lock the wired remote. Now when a subject enters the prefocused center area the shutter will fire. It will continue to fire as long as the subject remains in that area and is in focus. If the subject leaves and another subject comes later and enters the pre-focused area the shutter will fire again. This will continue as long as the battery holds charge or you stop the process.

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