The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Rokinon 85mm F1.8 and the Canon EF-M 55-200mm f4.5-6.3 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 EF-M 55-200mm f4.5-6.3 is the longer of the two lenses at 87mm. The Rokinon 85mm F1.8 with a length of 81mm, is 6mm shorter. On the other hand, the Rokinon 85mm F1.8 has a larger diameter of 68mm compared to the Canon EF-M 55-200mm f4.5-6.3's 61mm 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-M 55-200mm f4.5-6.3 weighs 260g, 24% (84g) lighter than the Rokinon 85mm F1.8's weight of 344g.
Filter Threads
The Rokinon 85mm F1.8 has a filter size of 62mm whereas the Canon EF-M 55-200mm f4.5-6.3 has a 52mm 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 Rokinon 85mm F1.8:
And these are the 52mm filters that we recommend for the Canon EF-M 55-200mm f4.5-6.3:
Lens Mounts
Both the Rokinon 85mm F1.8 and the Canon EF-M 55-200mm f4.5-6.3 has the same Canon EF-M lens mount. Some of the latest released cameras that are compatible with the Canon EF-M lenses are Canon M50 II, Canon M200 and Canon M6 MII.
Rokinon 85mm F1.8 is also available in the Fujifilm X and Sony E mounts.
Focal Range
Rokinon 85mm F1.8 is a prime lens with fixed focal lenght of 85mm which has an effective (full-frame 35mm equivalent) focal range of
136mm when used on a APS-C / DX format camera.
On the other hand, the Canon EF-M 55-200mm f4.5-6.3 has a focal range of 55-200mm and 3.6X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 82.5-300mm when used on a APS-C / DX format camera.
