The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM System 100-400mm F5.0-6.3 II and the Panasonic 100-400mm F4.0-6.3 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 System 100-400mm F5.0-6.3 II is the longer of the two lenses at 206mm. The Panasonic 100-400mm F4.0-6.3 with a length of 172mm, is 34mm shorter. Besides being longer, the OM System 100-400mm F5.0-6.3 II also has a larger diameter of 86mm compared to the Panasonic 100-400mm F4.0-6.3's 83mm diameter.
Below you can find a scaled side-by-side image of OM System 100-400mm F5.0-6.3 II and Panasonic 100-400mm F4.0-6.3 to get a better idea of how their sizes compare in real life.
Comparison image of the OM System 100-400mm F5.0-6.3 II and the Panasonic 100-400mm F4.0-6.3 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. Panasonic 100-400mm F4.0-6.3 weighs 985g, 24% (315g) lighter than the OM System 100-400mm F5.0-6.3 II's weight of 1300g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Micro Four Thirds Mount for size comparison purposes.
Super Telephoto Micro Four Thirds Mount
Filter Threads
Both the OM System 100-400mm F5.0-6.3 II and the Panasonic 100-400mm F4.0-6.3 have the same Filter thread size of 72mm .
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the OM System 100-400mm F5.0-6.3 II and the Panasonic 100-400mm F4.0-6.3 has the same Micro Four Thirds lens mount . Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 .
Focal Range
Both lenses have the same focal range of
100-400mm but while OM System 100-400mm F5.0-6.3 II has the fastest aperture of
F5-6.3 , the Panasonic 100-400mm F4.0-6.3's widest aperture value is
F4.0 - F6.3 .
