This technique is used to show movement by keeping the moving object sharp while blurring the background by movement, not by DoF.First, depending on the speed of your moving object select a slow shutter speed. First try something in range 1/10 to 1/30 s, and adjust according to the results. If its day time, to properly expose, you'll need a small aperture like f/8 or something, so you don't have to worry too much about focal plane shifting while your subject moves, because the DoF will be quite deep. Use continous AF if your camera supports it/manual focus to where your subject will be/ infinity focus if your subject is far enough)
I shot the above picture from my verandah(which happens to have black grills) with a shutter speed of 1/8 seconds on a 50mm lens (ISO 100, aperture was forced to be f/22 to correctly expose).
After setting up your camera, allow you body to face the direction where your subject will pass.
While keeping you feet stationary, twist your upper body towards the subject. Put your camera up to your eye. Keep your finger on the shutter release. Then track the subject as it passes through space, with a smooth horizontal twist, trying to keep its position fixed in the viewfinder. Somewhere in the middle of this twist, press the shutter release, but continue the twist motion. Allow a large enough follow-through, even after the shutter closes. This will ensure a smooth action.
The goal of panning is not to show a crisp object and a blurred background. Its idea is to depict speed, and all you need to do is have the subject a good deal sharper than the background- but not necessarily perfectly sharp, as a still object would appear.
Panning is not one of those techniques that just comes off easily. It does require a lot of practice to execute well. Hope you guys learnt something useful from this!
Until next time. Keep shooting! :)
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