The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 28-75mm F2.8 and the Sigma 24-70mm F2.8 EX DG 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 Z 28-75mm F2.8 is the longer of the two lenses at 121mm. The Sigma 24-70mm F2.8 EX DG with a length of 116mm, is 5mm shorter. On the other hand, the Sigma 24-70mm F2.8 EX DG has a larger diameter of 89mm compared to the Nikon Z 28-75mm F2.8 's 75mm 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. Nikon Z 28-75mm F2.8 weighs 565g, which means it is 150g (20%) lighter than the Sigma 24-70mm F2.8 EX DG which has a weight of 715g.
Filter Threads
The Nikon Z 28-75mm F2.8 has a filter size of 67mm whereas the Sigma 24-70mm F2.8 EX DG has a 82mm 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 Nikon Z 28-75mm F2.8 :
And these are the 82mm filters that we recommend for the Sigma 24-70mm F2.8 EX DG:
Lens Mounts
The Nikon Z 28-75mm F2.8 has the Nikon Z lens mount whereas the Sigma 24-70mm F2.8 EX DG has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Sigma 24-70mm F2.8 EX DG is also available in Canon EF , Pentax KAF, Sony Alpha and Sigma SA mounts.
Focal Range
Nikon Z 28-75mm F2.8 has a focal range of 28-75mm and
2.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42 - 112.5mm.
On the other hand, the Sigma 24-70mm F2.8 EX DG has a focal range of 24-70mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36 - 105mm.
