The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 85mm F2 Macro IS STM and the Samyang AF 85mm F1.4 RF 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. Samyang AF 85mm F1.4 RF is the longer of the two lenses at 98mm. The Canon RF 85mm F2 Macro IS STM with a length of 91mm, is 7mm shorter. Besides being longer, the Samyang AF 85mm F1.4 RF also has a larger diameter of 88mm compared to the Canon RF 85mm F2 Macro IS STM's 78mm diameter.
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Below you can find a scaled side-by-side image of Canon RF 85mm F2 Macro IS STM and Samyang AF 85mm F1.4 RF to get a better idea of how their sizes compare in real life.
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 85mm F2 Macro IS STM weighs 500g, which means it is 84g (14%) lighter than the Samyang AF 85mm F1.4 RF which has a weight of 584g.
Filter Threads
The Canon RF 85mm F2 Macro IS STM has a filter size of 67mm whereas the Samyang AF 85mm F1.4 RF has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Canon RF 85mm F2 Macro IS STM:
And these are the 77mm filters that we recommend for the Samyang AF 85mm F1.4 RF:
Lens Mounts
Both the Canon RF 85mm F2 Macro IS STM and the Samyang AF 85mm F1.4 RF has the same Canon RF lens mount. Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R100, Canon R8 and Canon R50.
Focal Range
Both lenses have the same focal range of
85mm but while Canon RF 85mm F2 Macro IS STM has the fastest aperture of
F2, the Samyang AF 85mm F1.4 RF's widest aperture value is
F1.4.