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 Sigma 300-600mm f4 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 Sony FE 400-800mm F6.3-8 with a length of 346mm, is 124mm shorter. Besides being longer, the Sigma 300-600mm f4 also has a larger diameter of 167mm compared to the Sony FE 400-800mm F6.3-8's 120mm diameter.
Below you can find a scaled side-by-side image of Sony FE 400-800mm F6.3-8 and Sigma 300-600mm f4 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 Sigma 300-600mm f4 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. Sony FE 400-800mm F6.3-8 weighs 2475g, which means it is 1495g (37%) lighter than the Sigma 300-600mm f4 which has a weight of 3970g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Sony E Mount for size comparison purposes.
Super Telephoto Sony E Mount
Filter Threads
The Sony FE 400-800mm F6.3-8 has a filter size of 105mm whereas the Sigma 300-600mm f4 has a 41mm 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 41mm filters that we recommend for the Sigma 300-600mm f4:
Lens Mounts
Both the Sony FE 400-800mm F6.3-8 and the Sigma 300-600mm f4 has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5 , Sony A7R VI and Sony A7 V .
Leica L 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 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 .
