The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM 50-200mm F2.8 and the Sony FE 100-400mm F4.5-5.6 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. OM 50-200mm F2.8 is the longer of the two lenses at 226mm. The Sony FE 100-400mm F4.5-5.6 with a length of 205mm, is 21mm shorter. On the other hand, the Sony FE 100-400mm F4.5-5.6 has a larger diameter of 94mm compared to the OM 50-200mm F2.8's 91mm diameter.
Below you can find a scaled side-by-side image of OM 50-200mm F2.8 and Sony FE 100-400mm F4.5-5.6 to get a better idea of how their sizes compare in real life.
Comparison image of the OM 50-200mm F2.8 and the Sony FE 100-400mm F4.5-5.6 Size and Weight 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. OM 50-200mm F2.8 weighs 1075g, which means it is 320g (22%) lighter than the Sony FE 100-400mm F4.5-5.6 which has a weight of 1395g.
Filter Threads
Both the OM 50-200mm F2.8 and the Sony FE 100-400mm F4.5-5.6 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 OM 50-200mm F2.8 has the Micro Four Thirds lens mount whereas the Sony FE 100-400mm F4.5-5.6 has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Focal Range
OM 50-200mm F2.8 has a focal range of 50-200mm and
4.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
100-400mm when used on a FourThirds format camera.
On the other hand, the Sony FE 100-400mm F4.5-5.6 has a focal range of 100-400mm and 4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 150 - 600mm .
