The Nikon D300 Lounge

For Nikon D300 owners, fans and anybody who's interested in this camera

If I'm taking a photo of 150 people sitting on bleachers (staff photo for a high school),
how do I make sure the people in the front and back are all in focus?

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Apparently, if I'm using say the Nikon 50mm 1.8, then I need to push the aperature # to as high as it will go and still have enough light and shutter speed to capture the scene. The higher the aperature the wider the depth of field is.

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Depth of Field (DOF) is very easy to figure out. It is only simple math. Look for old photo books on the subject. DOF is controled by Lens selection,Distance between the camera and subject, and Aperture selection, The most important rule of DOF is the 1/3 - 2/3 rule. DOF is !/3 in front and 2/3 behind the focus point. If you focus 1/3 into the group, you will take full use of all DOF you can. If you focus on the front row, you will not use all of the DOF available to you. Older lenses had a DOF scale on them so you could see this info easly. Use the smallest F-stop (largest #) you can to take the photo. This is because the smaller opening will give the most DOF. I am new to the D300 and digital. I'm having a hard time with the new terms and icons and I'm not a computer person.

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