The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon 105mm f2D DC and the Sigma 105mm F2.8 EX DG OS 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. Sigma 105mm F2.8 EX DG OS HSM is the longer of the two lenses at 127mm. The Nikon 105mm f2D DC with a length of 111mm, is 16mm shorter. On the other hand, the Nikon 105mm f2D DC has a larger diameter of 79mm compared to the Sigma 105mm F2.8 EX DG OS HSM's 78mm 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 105mm f2D DC weighs 640g, which means it is 86g (11%) lighter than the Sigma 105mm F2.8 EX DG OS HSM which has a weight of 726g.
Filter Threads
The Nikon 105mm f2D DC has a filter size of 72mm whereas the Sigma 105mm F2.8 EX DG OS HSM has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Nikon 105mm f2D DC:
And these are the 62mm filters that we recommend for the Sigma 105mm F2.8 EX DG OS HSM:
Lens Mounts
Both the Nikon 105mm f2D DC and the Sigma 105mm F2.8 EX DG OS HSM 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 105mm F2.8 EX DG OS HSM is also available in Canon EF and Sigma SA mounts.
Focal Range
Both lenses have the same focal range of
105mm but while Nikon 105mm f2D DC has the fastest aperture of
F2.0, the Sigma 105mm F2.8 EX DG OS HSM's widest aperture value is
F2.8.