The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 800mm F5.6L 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. Canon RF 800mm F5.6L is the longer of the two lenses at 432mm. The Olympus 150-400mm F4.5 TC with a length of 314mm, is 118mm shorter. Besides being longer, the Canon RF 800mm F5.6L also has a larger diameter of 163mm compared to the Olympus 150-400mm F4.5 TC's 116mm diameter.
Below you can find a scaled side-by-side image of Canon RF 800mm F5.6L and Olympus 150-400mm F4.5 TC to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 800mm F5.6L 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, 41% (1290g) lighter than the Canon RF 800mm F5.6L's weight of 3140g.
Filter Threads
The Canon RF 800mm F5.6L has a filter size of 52mm 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 52mm filters that we recommend you to consider for the Canon RF 800mm F5.6L:
And these are the 95mm filters that we recommend for the Olympus 150-400mm F4.5 TC:
Lens Mounts
The Canon RF 800mm F5.6L has the Canon RF 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 Canon R6 V , Canon R6 III and Canon C50 for the Canon RF 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
Canon RF 800mm F5.6L is a prime lens with fixed focal lenght of 800mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
1280mm .
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.
