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~Street shooting with Various lenses~


jgredline

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<p>Javier, I think what you are attempting is probably more properly described as pre-focusing or zone-focusing. Hyperfocal is deliberately focusing the lens so that everything from a certain distance to infinity is in focus. This tends to be more effective with wider angle lenses, stopped down if possible; for example, a DA21 on a K20D at f/5.6, pre-focused to the hyperfocal distance of 12.9 feet will include everything from 6.45 feet to infinity in focus. If you leave the aperture and focus distance alone, as long as your subject is 6 1/2 or more feet away (you should be able to estimate this easily), you should end up with acceptable (reasonably sharp) focus, from your subject all the way to infinity. Obviously the closer the subject distance is to 12.9 feet, the sharper they will be.<br>

Part of the idea is to maximize the zone of acceptable focus by focusing not necessarily on your subject but perhaps in front of or behind and rely on the depth of field to keep the subject sharp while putting more of the picture in acceptable focus. For your street-shooting ambition you may not really want the background in sharp focus anyway--you may just want to make sure that your 'hot zone' is the rough distance of your subjects. This is tough with a lens like your 55. Even stopped down to f/8 the DoF is only a little over 3 feet at 10-foot subject distance--somewhat difficult to estimate with great accuracy.</p>

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