The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Schneider PC-TS 2.8/50 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. Schneider PC-TS 2.8/50 is the longer of the two lenses at 128mm. The Sigma 50mm F1.4 EX DG HSM with a length of 68mm, is 60mm shorter. Besides being longer, the Schneider PC-TS 2.8/50 also has a larger diameter of 108mm compared to the Sigma 50mm F1.4 EX DG HSM's 85mm 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, 63% (895g) lighter than the Schneider PC-TS 2.8/50's weight of 1400g.
Filter Threads
The Schneider PC-TS 2.8/50 has a filter size of 95mm whereas the Sigma 50mm F1.4 EX DG HSM 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 95mm filters that we recommend you to consider for the Schneider PC-TS 2.8/50:
And these are the 77mm filters that we recommend for the Sigma 50mm F1.4 EX DG HSM:
Lens Mounts
Both the Schneider PC-TS 2.8/50 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.
Schneider PC-TS 2.8/50 is also available in Canon EF , Pentax KAF and Sony Alpha mounts.
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
Both lenses have the same focal range of
50mm but while Schneider PC-TS 2.8/50 has the fastest aperture of
F2.8, the Sigma 50mm F1.4 EX DG HSM's widest aperture value is
F1.4.