Trap Focus

Challenge #20 in the Technology Enabling Art series. Hosted by ProfHankD.
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Trap focus is a camera feature that allows you to manually focus and have the camera delay firing the shutter until you have pressed AND something is in focus. Originally intended to capture photos of the wedding party as they walk down the aisle, it works for many sports if you pre-focus where the action is headed. With a manual-focus lens, you can also use it to confirm focus by holding down the shutter button while you focus -- it will take the image as soon as focus is achieved. Submit your trap focus images here.
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More Pollen
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Honeybee approaching flower to collect more pollen.
Camera:
Lens:
Submitted: Wednesday, 4th January, 2012 20:22 (GMT)
Taken: Saturday, 9th July, 2011
Focal length: 100 mm
Shutter speed: 1/180 sec
Aperture:
ISO: 100
Notes: Camera was set to 'auto focus' but lens is manual. Lens pre-focused at about 4 to 1 magnification. Shutter fires when object comes into focus.
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