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Photography Q&A
Do I need more megapixels, a lens or what
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<blockquote data-quote="LouCioccio" data-source="post: 556235" data-attributes="member: 12542"><p>Tito,</p><p>A couple of things come to mind is to get a good handle on what you are trying to achieve: Depth of Field. In olden days before digital all lenses came with little marks on the lens barrel these could be used for depth of field or hyper focal distance; both are similar but not the same. The lens manufactures used to pack a card that gave the DOF at each lens opening at a certain distance. As the manufactures tried to make photography easier by "dumbing down" they actually made it difficult. Most of us have smart phones so you may be able to download a DOF app.</p><p></p><p>A couple of links to help you out, if you haven't done so.</p><p></p><p><a href="http://www.cambridgeincolour.com/tutorials/depth-of-field.htm" target="_blank">Understanding Depth of Field in Photography</a></p><p><a href="http://www.cambridgeincolour.com/tutorials/dof-calculator.htm" target="_blank">A Flexible Depth of Field Calculator</a></p><p></p><p>I showed in a class that I recently taught that a kit lens such as a 55-200mm and a 70-200mm can actually perform a similar DOF but at <u><strong>two different distances</strong></u> because the kit lens at 200mm was F/5.6 and the background had to be farther back and the better lens was at F/2.8 to get that out of focus background.</p><p></p><p>Hope this helps.</p><p></p><p>Lou Cioccio</p></blockquote><p></p>
[QUOTE="LouCioccio, post: 556235, member: 12542"] Tito, A couple of things come to mind is to get a good handle on what you are trying to achieve: Depth of Field. In olden days before digital all lenses came with little marks on the lens barrel these could be used for depth of field or hyper focal distance; both are similar but not the same. The lens manufactures used to pack a card that gave the DOF at each lens opening at a certain distance. As the manufactures tried to make photography easier by "dumbing down" they actually made it difficult. Most of us have smart phones so you may be able to download a DOF app. A couple of links to help you out, if you haven't done so. [url=http://www.cambridgeincolour.com/tutorials/depth-of-field.htm]Understanding Depth of Field in Photography[/url] [url=http://www.cambridgeincolour.com/tutorials/dof-calculator.htm]A Flexible Depth of Field Calculator[/url] I showed in a class that I recently taught that a kit lens such as a 55-200mm and a 70-200mm can actually perform a similar DOF but at [U][B]two different distances[/B][/U] because the kit lens at 200mm was F/5.6 and the background had to be farther back and the better lens was at F/2.8 to get that out of focus background. Hope this helps. Lou Cioccio [/QUOTE]
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Photography Q&A
Do I need more megapixels, a lens or what
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