The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 400-800mm F6.3-8 and the Olympus 150-400mm F4.5 TC 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. Sony FE 400-800mm F6.3-8 is the longer of the two lenses at 346mm. The Olympus 150-400mm F4.5 TC with a length of 314mm, is 32mm shorter. Besides being longer, the Sony FE 400-800mm F6.3-8 also has a larger diameter of 120mm compared to the Olympus 150-400mm F4.5 TC's 116mm diameter.
Below you can find a scaled side-by-side image of Sony FE 400-800mm F6.3-8 and Olympus 150-400mm F4.5 TC to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 400-800mm F6.3-8 and the Olympus 150-400mm F4.5 TC 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 150-400mm F4.5 TC weighs 1850g, 25% (625g) lighter than the Sony FE 400-800mm F6.3-8's weight of 2475g.
Filter Threads
The Sony FE 400-800mm F6.3-8 has a filter size of 105mm whereas the Olympus 150-400mm F4.5 TC has a 95mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 105mm filters that we recommend you to consider for the Sony FE 400-800mm F6.3-8:
And these are the 95mm filters that we recommend for the Olympus 150-400mm F4.5 TC:
Lens Mounts
The Sony FE 400-800mm F6.3-8 has the Sony E lens mount whereas the Olympus 150-400mm F4.5 TC has the Micro Four Thirds lens mount . Some of the latest released cameras that are compatible with these mounts are Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount and OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Focal Range
Sony FE 400-800mm F6.3-8 has a focal range of 400-800mm and
2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
600 - 1200mm .
On the other hand, the Olympus 150-400mm F4.5 TC has a focal range of 150-400mm and 2.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 300-800mm when used on a FourThirds format camera.
