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 70-200 F4L IS USM 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 70-200 F4L IS USM is the longer of the two lenses at 119mm. The 7Artisans 75mm f1.4 with a length of 77mm, is 42mm shorter. Besides being longer, the Canon RF 70-200 F4L IS USM also has a larger diameter of 84mm 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. 7Artisans 75mm f1.4 weighs 408g, which means it is 287g (41%) lighter than the Canon RF 70-200 F4L IS USM which has a weight of 695g.
Filter Threads
The 7Artisans 75mm f1.4 has a filter size of 58mm whereas the Canon RF 70-200 F4L IS USM has a 77mm 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 77mm filters that we recommend for the Canon RF 70-200 F4L IS USM:
Lens Mounts
Both the 7Artisans 75mm f1.4 and the Canon RF 70-200 F4L IS USM 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 70-200 F4L IS USM has a focal range of 70-200mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 112 - 320mm.