The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 150-500mm F5-6.7 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. Tamron 150-500mm F5-6.7 is the longer of the two lenses at 210mm. The Olympus ED 100-400mm F5.0-6.3 IS with a length of 206mm, is 4mm shorter. Besides being longer, the Tamron 150-500mm F5-6.7 also has a larger diameter of 93mm 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 Tamron 150-500mm F5-6.7 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 Tamron 150-500mm F5-6.7 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, 34% (590g) lighter than the Tamron 150-500mm F5-6.7's weight of 1710g.
Filter Threads
The Tamron 150-500mm F5-6.7 has a filter size of 82mm 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 82mm filters that we recommend you to consider for the Tamron 150-500mm F5-6.7:
And these are the 72mm filters that we recommend for the Olympus ED 100-400mm F5.0-6.3 IS:
Lens Mounts
The Tamron 150-500mm F5-6.7 has the Fujifilm X lens mount whereas the Olympus ED 100-400mm F5.0-6.3 IS has the Micro Four Thirds lens mount . Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Sony E and Nikon Z mounts.
Focal Range
Tamron 150-500mm F5-6.7 has a focal range of 150-500mm and
3.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
225 - 750mm .
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.
