The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 35mm F1.4 DG HSM and the Schneider PC 28mm f2.8 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 35mm F1.4 DG HSM is the longer of the two lenses at 94mm. The Schneider PC 28mm f2.8 with a length of 89mm, is 5mm shorter. Besides being longer, the Sigma 35mm F1.4 DG HSM also has a larger diameter of 77mm compared to the Schneider PC 28mm 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. Schneider PC 28mm f2.8 weighs 565g, 15% (100g) lighter than the Sigma 35mm F1.4 DG HSM's weight of 665g.
Filter Threads
Both the Sigma 35mm F1.4 DG HSM and the Schneider PC 28mm f2.8 have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 35mm F1.4 DG HSM and the Schneider PC 28mm f2.8 has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A99 II, Sony A68 and Sony A77 II.
Sigma 35mm F1.4 DG HSM is also available in Canon EF , Pentax KAF3, Sigma SA, Nikon F (FX) and Leica L mounts.
Schneider PC 28mm f2.8 is also available in Canon EF , Pentax KAF and Nikon F (FX) mounts.
Focal Range
Sigma 35mm F1.4 DG HSM is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
52.5mm.
On the other hand, the Schneider PC 28mm f2.8 is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 42mm.