The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 24mm f2.8 IS USM and the Canon 14mm f2.8L 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 14mm f2.8L USM is the longer of the two lenses at 89mm. The Canon 24mm f2.8 IS USM with a length of 56mm, is 33mm shorter. Besides being longer, the Canon 14mm f2.8L USM also has a larger diameter of 77mm compared to the Canon 24mm f2.8 IS USM's 68mm 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 24mm f2.8 IS USM weighs 280g, which means it is 280g (50%) lighter than the Canon 14mm f2.8L USM which has a weight of 560g.
Lens Mounts
Both the Canon 24mm f2.8 IS USM and the Canon 14mm f2.8L USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Focal Range
Canon 24mm f2.8 IS USM is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
38.4mm.
On the other hand, the Canon 14mm f2.8L USM is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 22.4mm.