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<blockquote data-quote="Deleted" data-source="post: 365088" data-attributes="member: 29753">In FX or 35mm film cameras, 50mm most closely matches the field of view &amp; magnification of eyesight. In a crop sensor or DX camera, you multiply the lens focal length by 1.5 to get the equivalent view. So with a DX camera, a 35mm would give approximately the same view as a 50mm in FX.Taking a 35mm as a regular view in DX, then anything longer would be telephoto &amp; magnify the image, suitable for wildlife, sport, candid etc. Anything shorter, would be wide angle, suitable for landscapes etc. Therefore if you popped a 50mm lens onto a DX camera, the effect would be like a 75mm in FX. This is a mild telephoto, suitable for portraits for instance.The increase in quality you have noticed is due to the general fact that FX lenses are higher quality, but also because of the crop sensor, you are only using the centre part of the lens. The centre part of a lens is always of higher quality than the edges.</blockquote>

[QUOTE="Deleted, post: 365088, member: 29753"] In FX or 35mm film cameras, 50mm most closely matches the field of view & magnification of eyesight. In a crop sensor or DX camera, you multiply the lens focal length by 1.5 to get the equivalent view. So with a DX camera, a 35mm would give approximately the same view as a 50mm in FX. Taking a 35mm as a regular view in DX, then anything longer would be telephoto & magnify the image, suitable for wildlife, sport, candid etc. Anything shorter, would be wide angle, suitable for landscapes etc. Therefore if you popped a 50mm lens onto a DX camera, the effect would be like a 75mm in FX. This is a mild telephoto, suitable for portraits for instance. The increase in quality you have noticed is due to the general fact that FX lenses are higher quality, but also because of the crop sensor, you are only using the centre part of the lens. The centre part of a lens is always of higher quality than the edges. [/QUOTE]

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