The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 300-600mm f4 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. Sigma 300-600mm f4 is the longer of the two lenses at 470mm. The Olympus 150-400mm F4.5 TC with a length of 314mm, is 156mm shorter. Besides being longer, the Sigma 300-600mm f4 also has a larger diameter of 167mm compared to the Olympus 150-400mm F4.5 TC's 116mm diameter.
Below you can find a scaled side-by-side image of Sigma 300-600mm f4 and Olympus 150-400mm F4.5 TC to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 300-600mm f4 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, 53% (2120g) lighter than the Sigma 300-600mm f4's weight of 3970g.
Filter Threads
The Sigma 300-600mm f4 has a filter size of 41mm 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 41mm filters that we recommend you to consider for the Sigma 300-600mm f4:
And these are the 95mm filters that we recommend for the Olympus 150-400mm F4.5 TC:
Lens Mounts
The Sigma 300-600mm f4 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
Sigma 300-600mm f4 has a focal range of 300-600mm 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
450 - 900mm .
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.
