The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 28-70mm F2.8 DG DN and the Nikon 28-70mm f2.8 ED-IF for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Nikon 28-70mm f2.8 ED-IF is the longer of the two lenses at 122mm. The Sigma 28-70mm F2.8 DG DN with a length of 102mm, is 20mm shorter. Besides being longer, the Nikon 28-70mm f2.8 ED-IF also has a larger diameter of 89mm compared to the Sigma 28-70mm F2.8 DG DN's 72mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Sigma 28-70mm F2.8 DG DN weighs 470g, which means it is 465g (49%) lighter than the Nikon 28-70mm f2.8 ED-IF which has a weight of 935g.
Filter Threads
The Sigma 28-70mm F2.8 DG DN has a filter size of 67mm whereas the Nikon 28-70mm f2.8 ED-IF has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Sigma 28-70mm F2.8 DG DN:
And these are the 77mm filters that we recommend for the Nikon 28-70mm f2.8 ED-IF:
Lens Mounts
The Sigma 28-70mm F2.8 DG DN has the Sony E lens mount whereas the Nikon 28-70mm f2.8 ED-IF has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Focal Range
Both lenses have the same focal range of
28-70mm and the fastest aperture of
F2.8.
