Thanks Bill, I appreciate your contribution.
Nic
On 24 Jun 2009, at 05:12, NSURIT@xxxxxxx wrote:
> Nic, others have likely answered your question. When you press the
> DOF
> preview the aperture on the lens is closed down and this is one of
> the tools
> you can use to see what the depth of field when be on that setting.
> When
> the aperture is closed down, less light passes thru the lens and it
> will
> become more difficult to see through the lens. Depth of field being
> the space
> between the point where the image is in sharp or acceptable focus and
> where it is no longer in sharp or acceptable focus. Three things
> will affect
> your depth of field.
>
> Focal length of the lens.
>
> Aperture you set on the lens.
>
> The distance between you and your subject.
>
> Bill Barber
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