The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang MF 85mm F1.4 RF and the Canon RF 85mm F2 Macro IS STM 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 MF 85mm F1.4 RF is the longer of the two lenses at 99mm. The Canon RF 85mm F2 Macro IS STM with a length of 91mm, is 8mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 78mm.
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Below you can find a scaled side-by-side image of Samyang MF 85mm F1.4 RF and Canon RF 85mm F2 Macro IS STM 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, 31% (230g) lighter than the Samyang MF 85mm F1.4 RF's weight of 730g.
Filter Threads
The Samyang MF 85mm F1.4 RF has a filter size of 72mm whereas the Canon RF 85mm F2 Macro IS STM 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 72mm filters that we recommend you to consider for the Samyang MF 85mm F1.4 RF:
And these are the 67mm filters that we recommend for the Canon RF 85mm F2 Macro IS STM:
Lens Mounts
Both the Samyang MF 85mm F1.4 RF and the Canon RF 85mm F2 Macro IS STM 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 Samyang MF 85mm F1.4 RF has the fastest aperture of
F1.4, the Canon RF 85mm F2 Macro IS STM's widest aperture value is
F2.