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<blockquote data-quote="grandpaw" data-source="post: 67705" data-attributes="member: 8635"><p>Most lenses are much sharper in the center than they are on the edges. When you use a DX lens on a camera that is designed for DX lenses you are using the entire surface of the lens to take a picture with which includes the outer edges that are not as sharp as the center area. On the other hand when you use a lens designed for a full frame camera on a DX style camera you are only using the center section and eliminating the outer edges that may be a bit softer. The result is a very sharp picture. A lot of times when someone has been using a full frame lens on a DX style camera and then moves up to the actual full frame camera to go with it they are not nearly as impressed with the lens because now they are using the entire surface of the lens and are no longer eliminating the outer edges that can cause softness to show around the edges. This is just another difference between lenses and how they work on different size sensors. Jeff</p></blockquote><p></p>

[QUOTE="grandpaw, post: 67705, member: 8635"] Most lenses are much sharper in the center than they are on the edges. When you use a DX lens on a camera that is designed for DX lenses you are using the entire surface of the lens to take a picture with which includes the outer edges that are not as sharp as the center area. On the other hand when you use a lens designed for a full frame camera on a DX style camera you are only using the center section and eliminating the outer edges that may be a bit softer. The result is a very sharp picture. A lot of times when someone has been using a full frame lens on a DX style camera and then moves up to the actual full frame camera to go with it they are not nearly as impressed with the lens because now they are using the entire surface of the lens and are no longer eliminating the outer edges that can cause softness to show around the edges. This is just another difference between lenses and how they work on different size sensors. Jeff [/QUOTE]

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