The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 85mm f1.4 and the 7Artisans 75mm f1.4 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 85mm f1.4 is the longer of the two lenses at 99mm. The 7Artisans 75mm f1.4 with a length of 77mm, is 22mm shorter. Besides being longer, the Canon RF 85mm f1.4 also has a larger diameter of 77mm 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, 35% (228g) lighter than the Canon RF 85mm f1.4's weight of 636g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Canon RF Mount for size comparison purposes.
Telephoto Lenses in Canon RF Mount for Size Comparison
Filter Threads
The Canon RF 85mm f1.4 has a filter size of 67mm whereas the 7Artisans 75mm f1.4 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 Canon RF 85mm f1.4:
And these are the 58mm filters that we recommend for the 7Artisans 75mm f1.4:
Lens Mounts
Both the Canon RF 85mm f1.4 and the 7Artisans 75mm f1.4 has the same Canon RF lens mount. Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R6 V, Canon R6 III and Canon C50.
7Artisans 75mm f1.4 is also available in Sony E , Nikon Z and Leica L mounts.
Focal Range
Canon RF 85mm f1.4 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
136mm.
On the other hand, the 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.
