The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 20-50mm F4 and the Canon RF 50mm F1.4 L VCM 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 50mm F1.4 L VCM is the longer of the two lenses at 99mm. The Canon RF 20-50mm F4 with a length of 98mm, is 1mm shorter. On the other hand, the Canon RF 20-50mm F4 has a larger diameter of 80mm compared to the Canon RF 50mm F1.4 L VCM's 77mm 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 20-50mm F4 weighs 420g, which means it is 160g (27%) lighter than the Canon RF 50mm F1.4 L VCM which has a weight of 580g.
Filter Threads
Both the Canon RF 20-50mm F4 and the Canon RF 50mm F1.4 L VCM have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Canon RF 20-50mm F4 and the Canon RF 50mm F1.4 L VCM 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.
Focal Range
Canon RF 20-50mm F4 has a focal range of 20-50mm and
2.5X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
32 - 80mm.
On the other hand, the Canon RF 50mm F1.4 L VCM is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 80mm.
