The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 100mm f2.8 Macro USM and the Schneider PC-TS 4.5/90 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 4.5/90 is the longer of the two lenses at 139mm. The Canon 100mm f2.8 Macro USM with a length of 119mm, is 20mm shorter. Besides being longer, the Schneider PC-TS 4.5/90 also has a larger diameter of 108mm compared to the Canon 100mm f2.8 Macro USM's 79mm 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. Canon 100mm f2.8 Macro USM weighs 600g, which means it is 510g (45%) lighter than the Schneider PC-TS 4.5/90 which has a weight of 1110g.
Filter Threads
The Canon 100mm f2.8 Macro USM has a filter size of 58mm whereas the Schneider PC-TS 4.5/90 has a 95mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Canon 100mm f2.8 Macro USM:
And these are the 95mm filters that we recommend for the Schneider PC-TS 4.5/90:
Lens Mounts
Both the Canon 100mm f2.8 Macro USM and the Schneider PC-TS 4.5/90 has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Schneider PC-TS 4.5/90 is also available in Nikon F (FX) , Pentax KAF and Sony Alpha mounts.
Focal Range
Canon 100mm f2.8 Macro USM is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
160mm.
On the other hand, the Schneider PC-TS 4.5/90 is a prime lens with fixed focal lenght of 90mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 144mm.