The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic 100-400mm F4.0-6.3 II and the Tamron 150-500mm F5-6.7 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 Panasonic 100-400mm F4.0-6.3 II with a length of 172mm, is 38mm shorter. Besides being longer, the Tamron 150-500mm F5-6.7 also has a larger diameter of 93mm compared to the Panasonic 100-400mm F4.0-6.3 II's 83mm diameter.
Below you can find a scaled side-by-side image of Panasonic 100-400mm F4.0-6.3 II and Tamron 150-500mm F5-6.7 to get a better idea of how their sizes compare in real life.
Comparison image of the Panasonic 100-400mm F4.0-6.3 II and the Tamron 150-500mm F5-6.7 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 II weighs 985g, which means it is 739g (42%) lighter than the Tamron 150-500mm F5-6.7 which has a weight of 1724g.
Filter Threads
The Panasonic 100-400mm F4.0-6.3 II has a filter size of 72mm whereas the Tamron 150-500mm F5-6.7 has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Panasonic 100-400mm F4.0-6.3 II:
And these are the 82mm filters that we recommend for the Tamron 150-500mm F5-6.7:
Lens Mounts
The Panasonic 100-400mm F4.0-6.3 II has the Micro Four Thirds lens mount whereas the Tamron 150-500mm F5-6.7 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.
Fujifilm X and Nikon Z mounts.
Focal Range
Panasonic 100-400mm F4.0-6.3 II 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.
On the other hand, the 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 .
