The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 100mm f2.0 USM and the Canon 100mm f2.8 Macro USM 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. Canon 100mm f2.8 Macro USM is the longer of the two lenses at 119mm. The Canon 100mm f2.0 USM with a length of 74mm, is 45mm shorter. Besides being longer, the Canon 100mm f2.8 Macro USM also has a larger diameter of 79mm compared to the Canon 100mm f2.0 USM'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. Canon 100mm f2.0 USM weighs 460g, which means it is 140g (23%) lighter than the Canon 100mm f2.8 Macro USM which has a weight of 600g.
Filter Threads
Both the Canon 100mm f2.0 USM and the Canon 100mm f2.8 Macro USM have the same Filter thread size of 58mm.
Below are links to the 58mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Canon 100mm f2.0 USM and the Canon 100mm f2.8 Macro USM 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.
Focal Range
Both lenses have the same focal range of
100mm but while Canon 100mm f2.0 USM has the fastest aperture of
F2.0, the Canon 100mm f2.8 Macro USM's widest aperture value is
F2.8.