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Nikon DSLR Cameras
Out of Production DSLRs
D90
Depth of field scale for the D90, confused.
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<blockquote data-quote="IngaM" data-source="post: 5361" data-attributes="member: 2205"><p><a href="http://en.wikipedia.org/wiki/Hyperfocal_distance" target="_blank">Hyperfocal distance - Wikipedia, the free encyclopedia</a></p><p><em>Definition 1:</em> The hyperfocal distance is the closest distance at which a <a href="http://en.wikipedia.org/wiki/Lens_(optics)" target="_blank"><span style="color: #0645ad">lens</span></a> can be focused while keeping objects at infinity acceptably sharp; that is, the focus distance with the maximum <a href="http://en.wikipedia.org/wiki/Depth_of_field" target="_blank"><span style="color: #0645ad">depth of field</span></a>. When the lens is focused at this distance, all objects at distances from half of the hyperfocal distance out to infinity will be acceptably sharp.</p><p><em>Definition 2:</em> The hyperfocal distance is the distance beyond which all objects are acceptably sharp, for a lens focused at infinity.</p><p>The distinction between the two meanings is rarely made, since they have almost identical values. The value computed according to the first definition exceeds that from the second by just one <a href="http://en.wikipedia.org/wiki/Focal_length" target="_blank"><span style="color: #0645ad">focal length</span></a>.</p><p> </p><p><a href="http://www.dofmaster.com/hyperfocal.html" target="_blank">Hyperfocal Distance</a></p><p>The concept of hyperfocal distance is easy to understand: focus a lens at the hyperfocal distance and everything in the photograph from some near distance to infinity will be sharp. Landscape photographs are often taken with the lens focused at the hyperfocal distance; near and distant objects are sharp in the photos.</p></blockquote><p></p>
[QUOTE="IngaM, post: 5361, member: 2205"] [url=http://en.wikipedia.org/wiki/Hyperfocal_distance]Hyperfocal distance - Wikipedia, the free encyclopedia[/url] [I]Definition 1:[/I] The hyperfocal distance is the closest distance at which a [URL="http://en.wikipedia.org/wiki/Lens_(optics)"][COLOR=#0645ad]lens[/COLOR][/URL] can be focused while keeping objects at infinity acceptably sharp; that is, the focus distance with the maximum [URL="http://en.wikipedia.org/wiki/Depth_of_field"][COLOR=#0645ad]depth of field[/COLOR][/URL]. When the lens is focused at this distance, all objects at distances from half of the hyperfocal distance out to infinity will be acceptably sharp. [I]Definition 2:[/I] The hyperfocal distance is the distance beyond which all objects are acceptably sharp, for a lens focused at infinity. The distinction between the two meanings is rarely made, since they have almost identical values. The value computed according to the first definition exceeds that from the second by just one [URL="http://en.wikipedia.org/wiki/Focal_length"][COLOR=#0645ad]focal length[/COLOR][/URL]. [url=http://www.dofmaster.com/hyperfocal.html]Hyperfocal Distance[/url] The concept of hyperfocal distance is easy to understand: focus a lens at the hyperfocal distance and everything in the photograph from some near distance to infinity will be sharp. Landscape photographs are often taken with the lens focused at the hyperfocal distance; near and distant objects are sharp in the photos. [/QUOTE]
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Nikon DSLR Cameras
Out of Production DSLRs
D90
Depth of field scale for the D90, confused.
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