The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 100-400mm F4.5-5.6 VR and the Sigma 300mm F2.8 APO EX DG HSM 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 100-400mm F4.5-5.6 VR is the longer of the two lenses at 222mm. The Sigma 300mm F2.8 APO EX DG HSM with a length of 215mm, is 7mm shorter. On the other hand, the Sigma 300mm F2.8 APO EX DG HSM has a larger diameter of 119mm compared to the Nikon Z 100-400mm F4.5-5.6 VR's 98mm 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 100-400mm F4.5-5.6 VR weighs 1435g, which means it is 965g (40%) lighter than the Sigma 300mm F2.8 APO EX DG HSM which has a weight of 2400g.
Filter Threads
The Nikon Z 100-400mm F4.5-5.6 VR has a filter size of 77mm whereas the Sigma 300mm F2.8 APO EX DG HSM has a 46mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Nikon Z 100-400mm F4.5-5.6 VR:
And these are the 46mm filters that we recommend for the Sigma 300mm F2.8 APO EX DG HSM:
Lens Mounts
The Nikon Z 100-400mm F4.5-5.6 VR has the Nikon Z lens mount whereas the Sigma 300mm F2.8 APO EX DG HSM 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 300mm F2.8 APO EX DG HSM is also available in Canon EF , Pentax KAF, Sony Alpha and Sigma SA mounts.
Focal Range
Nikon Z 100-400mm F4.5-5.6 VR has a focal range of 100-400mm and
4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
150 - 600mm.
On the other hand, the Sigma 300mm F2.8 APO EX DG HSM is a prime lens with fixed focal lenght of 300mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 450mm.
