The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon PC-E 45mm f2.8D ED and the Sigma 50mm F1.4 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 PC-E 45mm f2.8D ED is the longer of the two lenses at 112mm. The Sigma 50mm F1.4 EX DG HSM with a length of 68mm, is 44mm shorter. On the other hand, the Sigma 50mm F1.4 EX DG HSM has a larger diameter of 85mm compared to the Nikon PC-E 45mm f2.8D ED's 84mm 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 50mm F1.4 EX DG HSM weighs 505g, 35% (275g) lighter than the Nikon PC-E 45mm f2.8D ED's weight of 780g.
Filter Threads
Both the Nikon PC-E 45mm f2.8D ED and the Sigma 50mm F1.4 EX DG HSM have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Nikon PC-E 45mm f2.8D ED and the Sigma 50mm F1.4 EX DG 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 50mm F1.4 EX DG HSM is also available in Canon EF , Pentax KAF3, Sony Alpha, Sigma SA and Four Thirds mounts.
Focal Range
Nikon PC-E 45mm f2.8D ED is a prime lens with fixed focal lenght of 45mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
67.5mm.
On the other hand, the Sigma 50mm F1.4 EX DG HSM is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75mm.