The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon EF 70-200 F2.8L IS III USM and the Olympus ED 35-100mm f2.0 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. Olympus ED 35-100mm f2.0 is the longer of the two lenses at 214mm. The Canon EF 70-200 F2.8L IS III USM with a length of 199mm, is 15mm shorter. Besides being longer, the Olympus ED 35-100mm f2.0 also has a larger diameter of 97mm compared to the Canon EF 70-200 F2.8L IS III USM's 89mm 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 EF 70-200 F2.8L IS III USM weighs 1440g, which means it is 210g (12%) lighter than the Olympus ED 35-100mm f2.0 which has a weight of 1650g.
Filter Threads
Both the Canon EF 70-200 F2.8L IS III USM and the Olympus ED 35-100mm f2.0 have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Canon EF 70-200 F2.8L IS III USM has the Canon EF lens mount whereas the Olympus ED 35-100mm f2.0 has the Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount and Olympus E-5, Olympus E-600 and Olympus E-620 for the Four Thirds Mount.
Focal Range
Canon EF 70-200 F2.8L IS III USM has a focal range of 70-200mm and
2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
112 - 320mm.
On the other hand, the Olympus ED 35-100mm f2.0 has a focal range of 35-100mm and 2.9X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 70-200mm when used on a FourThirds format camera.
