The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM SYSTEM 150-600mm f5-6.3 IS and the Olympus ED 100-400mm F5.0-6.3 IS 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 150-600mm f5-6.3 IS is the longer of the two lenses at 265mm. The Olympus ED 100-400mm F5.0-6.3 IS with a length of 206mm, is 59mm shorter. Besides being longer, the OM SYSTEM 150-600mm f5-6.3 IS also has a larger diameter of 110mm compared to the Olympus ED 100-400mm F5.0-6.3 IS's 86mm diameter.
Below you can find a scaled side-by-side image of OM SYSTEM 150-600mm f5-6.3 IS and Olympus ED 100-400mm F5.0-6.3 IS to get a better idea of how their sizes compare in real life.
Comparison image of the OM SYSTEM 150-600mm f5-6.3 IS and the Olympus ED 100-400mm F5.0-6.3 IS 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. Olympus ED 100-400mm F5.0-6.3 IS weighs 1120g, 45% (940g) lighter than the OM SYSTEM 150-600mm f5-6.3 IS's weight of 2060g.
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
The OM SYSTEM 150-600mm f5-6.3 IS has a filter size of 95mm whereas the Olympus ED 100-400mm F5.0-6.3 IS has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 95mm filters that we recommend you to consider for the OM SYSTEM 150-600mm f5-6.3 IS:
And these are the 72mm filters that we recommend for the Olympus ED 100-400mm F5.0-6.3 IS:
Lens Mounts
Both the OM SYSTEM 150-600mm f5-6.3 IS and the Olympus ED 100-400mm F5.0-6.3 IS 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
OM SYSTEM 150-600mm f5-6.3 IS has a focal range of 150-600mm and
4.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
300-1200mm when used on a FourThirds format camera.
On the other hand, the Olympus ED 100-400mm F5.0-6.3 IS has a focal range of 100-400mm and 4.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 200-800mm when used on a FourThirds format camera.
