The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 24-70mm F2.8 EX DG and the Nikon 24-70mm f2.8G ED for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Nikon 24-70mm f2.8G ED is the longer of the two lenses at 133mm. The Sigma 24-70mm F2.8 EX DG with a length of 116mm, is 17mm shorter. On the other hand, the Sigma 24-70mm F2.8 EX DG has a larger diameter of 89mm compared to the Nikon 24-70mm f2.8G ED's 83mm diameter.
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Sigma 24-70mm F2.8 EX DG weighs 715g, which means it is 185g (20%) lighter than the Nikon 24-70mm f2.8G ED which has a weight of 900g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Nikon F (FX) Mount for size comparison purposes.
Standard Zoom Lenses in Nikon F (FX) Mount for Size Comparison
Both the Sigma 24-70mm F2.8 EX DG and the Nikon 24-70mm f2.8G ED has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Sigma 24-70mm F2.8 EX DG is also available in Canon EF , Pentax KAF, Sony Alpha and Sigma SA mounts.
Both lenses have the same focal range of 24-70mm and the fastest aperture of F2.8.