The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony 70-200mm F2.8 G SSM II 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 Sony 70-200mm F2.8 G SSM II with a length of 197mm, is 17mm shorter. Besides being longer, the Olympus ED 35-100mm f2.0 also has a larger diameter of 97mm compared to the Sony 70-200mm F2.8 G SSM II's 87mm 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. Sony 70-200mm F2.8 G SSM II weighs 1500g, which means it is 150g (9%) lighter than the Olympus ED 35-100mm f2.0 which has a weight of 1650g.
Filter Threads
Both the Sony 70-200mm F2.8 G SSM II 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 Sony 70-200mm F2.8 G SSM II has the Sony Alpha 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 Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount and Olympus E-5, Olympus E-600 and Olympus E-620 for the Four Thirds Mount.
Focal Range
Sony 70-200mm F2.8 G SSM II has a focal range of 70-200mm and
2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 300mm.
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.