Matches in DBpedia 2014 for { ?s ?p The Sigma 18-50mm f/2.8 EX DC Macro is a wide to normal angle, zoom lens made by the Sigma Corporation. The lens is produced in Canon EF mount, Four Thirds System, Nikon F-mount, Pentax K mount, the SA mount, and the Sony/Minolta AF Mount varieties, all have the same optical formula.The lens is designed for digital crop DSLR with an APS-C sized sensor. Because of this, if the lens is used on a non-crop body, such as a Nikon D700, it will cause significant mechanical vignetting. When used on a body with a field of view compensation factor of 2x (Four Thirds body) it provides a field of view equivalent to an 36-100mm lens mounted in a 35mm body. In a 1.6x body, such as the Canon EOS 450D, it provides a less narrow field of view, equivalent to an 29-80mm lens mounted on a 35mm frame body. With a 1.5x body such as the Nikon D300 It provides a less narrow field of view, equivalent to an 27-75mm lens mounted on a 35mm frame body.. }
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- 2.8_EX_DC_Macro_lens abstract "The Sigma 18-50mm f/2.8 EX DC Macro is a wide to normal angle, zoom lens made by the Sigma Corporation. The lens is produced in Canon EF mount, Four Thirds System, Nikon F-mount, Pentax K mount, the SA mount, and the Sony/Minolta AF Mount varieties, all have the same optical formula.The lens is designed for digital crop DSLR with an APS-C sized sensor. Because of this, if the lens is used on a non-crop body, such as a Nikon D700, it will cause significant mechanical vignetting. When used on a body with a field of view compensation factor of 2x (Four Thirds body) it provides a field of view equivalent to an 36-100mm lens mounted in a 35mm body. In a 1.6x body, such as the Canon EOS 450D, it provides a less narrow field of view, equivalent to an 29-80mm lens mounted on a 35mm frame body. With a 1.5x body such as the Nikon D300 It provides a less narrow field of view, equivalent to an 27-75mm lens mounted on a 35mm frame body.".