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 Tamron 45mm F1.8 Di VC USD 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 Tamron 45mm F1.8 Di VC USD with a length of 92mm, is 36mm shorter. Besides being longer, the Schneider PC-TS 2.8/50 also has a larger diameter of 108mm compared to the Tamron 45mm F1.8 Di VC USD's 80mm 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. Tamron 45mm F1.8 Di VC USD weighs 520g, 62% (880g) 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 Tamron 45mm F1.8 Di VC USD has a 67mm 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 67mm filters that we recommend for the Tamron 45mm F1.8 Di VC USD:
Lens Mounts
Both the Schneider PC-TS 2.8/50 and the Tamron 45mm F1.8 Di VC USD 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.
Tamron 45mm F1.8 Di VC USD is also available in Canon EF and Sony Alpha mounts.
Focal Range
Schneider PC-TS 2.8/50 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.
On the other hand, the Tamron 45mm F1.8 Di VC USD 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.