The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 75-300mm f4.0-5.6 and the Sigma 16-300mm f3.5-6.7 C 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 75-300mm f4.0-5.6 is the longer of the two lenses at 146mm. The Sigma 16-300mm f3.5-6.7 C with a length of 121mm, is 25mm shorter. On the other hand, the Sigma 16-300mm f3.5-6.7 C has a larger diameter of 74mm compared to the Canon RF 75-300mm f4.0-5.6's 71mm diameter.
Below you can find a scaled side-by-side image of Canon RF 75-300mm f4.0-5.6 and Sigma 16-300mm f3.5-6.7 C to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 75-300mm f4.0-5.6 and the Sigma 16-300mm f3.5-6.7 C 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. Canon RF 75-300mm f4.0-5.6 weighs 507g, which means it is 118g (18%) lighter than the Sigma 16-300mm f3.5-6.7 C which has a weight of 625g.
Filter Threads
The Canon RF 75-300mm f4.0-5.6 has a filter size of 58mm whereas the Sigma 16-300mm f3.5-6.7 C has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Canon RF 75-300mm f4.0-5.6:
And these are the 67mm filters that we recommend for the Sigma 16-300mm f3.5-6.7 C:
Lens Mounts
Both the Canon RF 75-300mm f4.0-5.6 and the Sigma 16-300mm f3.5-6.7 C has the same Canon RF lens mount . Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R6 V , Canon R6 III and Canon C50 .
Sony E , Leica L and Fujifilm X mounts.
Focal Range
Canon RF 75-300mm f4.0-5.6 has a focal range of 75-300mm and
4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
120 - 480mm .
On the other hand, the Sigma 16-300mm f3.5-6.7 C has a focal range of 16-300mm and 18.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 25.6-480mm when used on a APS-C / DX format camera.
