The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7Artisans 75mm f1.4 and the Canon RF-S 55-210mm F5.0-7.1 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. Canon RF-S 55-210mm F5.0-7.1 IS STM is the longer of the two lenses at 94mm. The 7Artisans 75mm f1.4 with a length of 77mm, is 17mm shorter. Besides being longer, the Canon RF-S 55-210mm F5.0-7.1 IS STM also has a larger diameter of 69mm compared to the 7Artisans 75mm f1.4's 62mm 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 RF-S 55-210mm F5.0-7.1 IS STM weighs 270g, 33% (138g) lighter than the 7Artisans 75mm f1.4's weight of 408g.
Filter Threads
The 7Artisans 75mm f1.4 has a filter size of 58mm whereas the Canon RF-S 55-210mm F5.0-7.1 IS STM has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the 7Artisans 75mm f1.4:
And these are the 55mm filters that we recommend for the Canon RF-S 55-210mm F5.0-7.1 IS STM:
Lens Mounts
Both the 7Artisans 75mm f1.4 and the Canon RF-S 55-210mm F5.0-7.1 IS STM has the same Canon RF lens mount. Some of the latest released cameras that are compatible with the Canon RF lenses are RED Komodo-X 6K, RED Komodo 6K and Canon EOS C70.
7Artisans 75mm f1.4 is also available in the Sony E , Nikon Z and Leica L mounts.
Focal Range
7Artisans 75mm f1.4 is a prime lens with fixed focal lenght of 75mm which has an effective (full-frame 35mm equivalent) focal range of
112.5mm when used on a 35mm FF format camera.
On the other hand, the Canon RF-S 55-210mm F5.0-7.1 IS STM has a focal range of 55-210mm and 3.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 88-336mm when used on a APS-C / DX format camera.
