The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 100mm F2.8 Macro and the Canon 18-55mm f3.5-5.6 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 100mm F2.8 Macro is the longer of the two lenses at 123mm. The Canon 18-55mm f3.5-5.6 IS STM with a length of 75mm, is 48mm shorter. Besides being longer, the Samyang 100mm F2.8 Macro also has a larger diameter of 73mm compared to the Canon 18-55mm f3.5-5.6 IS 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 18-55mm f3.5-5.6 IS STM weighs 205g, 71% (515g) lighter than the Samyang 100mm F2.8 Macro's weight of 720g.
Filter Threads
The Samyang 100mm F2.8 Macro has a filter size of 67mm whereas the Canon 18-55mm f3.5-5.6 IS STM has a 58mm 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 Samyang 100mm F2.8 Macro:
And these are the 58mm filters that we recommend for the Canon 18-55mm f3.5-5.6 IS STM:
Lens Mounts
The Samyang 100mm F2.8 Macro has the Fujifilm X lens mount whereas the Canon 18-55mm f3.5-5.6 IS STM has the Canon EF-S lens mount. Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Canon T8i, Canon 90D and Canon SL3 for the Canon EF-S Mount.
Samyang 100mm F2.8 Macro is also available in the Canon EF , Micro Four Thirds, Nikon F (FX), Pentax KAF, Samsung NX, Sony Alpha and Sony E mounts.
Focal Range
Samyang 100mm F2.8 Macro is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
150mm.
On the other hand, the Canon 18-55mm f3.5-5.6 IS STM has a focal range of 18-55mm and 3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 28.8-88mm when used on a APS-C / DX format camera.
