Introduction It is designed for use with the Nikon FX, full-frame, cameras such as the D3x so you gain the full benefit of the 28mm focal length. Attached to a DX format Nikon camera, the 1.5x sensor magnification gives an equivalent focal length of 42mm making the field-of-view more similar to a standard focal length lens rather than a wide-angle.At a suggested retail price of $699.95 (USD), this lens falls firmly into the mid-range price bracket, but with two aspherical elements in its lens design and a circular 7-blade aperture diaphragm optical quality should be high
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