The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 105mm F2.8 DG DN Macro and the Canon RF 100mm F2.8L Macro IS 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 100mm F2.8L Macro IS is the longer of the two lenses at 148mm. The Sigma 105mm F2.8 DG DN Macro with a length of 134mm, is 14mm shorter. Besides being longer, the Canon RF 100mm F2.8L Macro IS also has a larger diameter of 82mm compared to the Sigma 105mm F2.8 DG DN Macro's 74mm diameter.
Below you can find a scaled side-by-side image of Sigma 105mm F2.8 DG DN Macro and Canon RF 100mm F2.8L Macro IS to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 105mm F2.8 DG DN Macro and the Canon RF 100mm F2.8L Macro IS 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. Sigma 105mm F2.8 DG DN Macro weighs 715g, which means it is 15g (2%) lighter than the Canon RF 100mm F2.8L Macro IS which has a weight of 730g.
Filter Threads
The Sigma 105mm F2.8 DG DN Macro has a filter size of 62mm whereas the Canon RF 100mm F2.8L Macro IS 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 62mm filters that we recommend you to consider for the Sigma 105mm F2.8 DG DN Macro:
And these are the 67mm filters that we recommend for the Canon RF 100mm F2.8L Macro IS:
Lens Mounts
The Sigma 105mm F2.8 DG DN Macro has the Sony E lens mount whereas the Canon RF 100mm F2.8L Macro IS has the Canon RF 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 Canon R6 V , Canon R6 III and Canon C50 for the Canon RF Mount.
Focal Range
Sigma 105mm F2.8 DG DN Macro is a prime lens with fixed focal lenght of 105mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
157.5mm .
On the other hand, the Canon RF 100mm F2.8L Macro IS is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 160mm .
