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 Mk2 and the Canon EF 50mm f/1.8 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 Mk2 is the longer of the two lenses at 75mm. The Canon EF 50mm f/1.8 STM with a length of 39mm, is 36mm shorter. Besides being longer, the Samyang MF 85mm F1.4 Mk2 also has a larger diameter of 78mm compared to the Canon EF 50mm f/1.8 STM's 69mm diameter.
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 EF 50mm f/1.8 STM weighs 159g, 70% (389g) lighter than the Samyang MF 85mm F1.4 Mk2's weight of 548g.
Filter Threads
The Samyang MF 85mm F1.4 Mk2 has a filter size of 72mm whereas the Canon EF 50mm f/1.8 STM has a 49mm 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 Mk2:
And these are the 49mm filters that we recommend for the Canon EF 50mm f/1.8 STM:
Lens Mounts
The Samyang MF 85mm F1.4 Mk2 has the Micro Four Thirds lens mount whereas the Canon EF 50mm f/1.8 STM has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Samyang MF 85mm F1.4 Mk2 is also available in the Canon EF , Canon EF-M, Fujifilm X, Nikon F (FX) and Sony E mounts.
Focal Range
Samyang MF 85mm F1.4 Mk2 is a prime lens with fixed focal lenght of 85mm.
On the other hand, the Canon EF 50mm f/1.8 STM is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 80mm.
