In this review, we will be comparing Olympus ED 100-400mm F5.0-6.3 IS and Panasonic 100-400mm F4.0-6.3, two Telephoto Zoom lenses from Olympus and Panasonic. Both cameras have the same focal range of 100-400mm but different max apertures: Olympus ED 100-400mm F5.0-6.3 IS has a max aperture of F5-6.3 while the Panasonic 100-400mm F4.0-6.3 has a max aperture of F4.0 - F6.3.
We will start with briefly looking and the main specs of these two lenses and in the section, we will start analyzing in more detail and list the pros and cons of each lenses.
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Olympus ED 100-400mm F5.0-6.3 IS 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 Olympus ED 100-400mm F5.0-6.3 IS also has a larger diameter of 86mm compared to Panasonic 100-400mm F4.0-6.3's 83mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Panasonic 100-400mm F4.0-6.3 weighs 985g, 13% (135g) lighter than the Olympus ED 100-400mm F5.0-6.3 IS's weight of 1120g.
Below you can find the dimension and weight table of the 'Telephoto Zoom Lenses in Micro Four Thirds Mount for size comparison purposes.
Telephoto Zoom Lenses in Micro Four Thirds Mount for Size Comparison
Both Olympus ED 100-400mm F5.0-6.3 IS and 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 Panasonic GH6, OM System OM-1 and Panasonic GH5 II.