The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 8-15mm f4L Fisheye USM and the Canon 14mm f2.8L II 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 II USM is the longer of the two lenses at 94mm. The Canon 8-15mm f4L Fisheye USM with a length of 83mm, is 11mm shorter. Besides being longer, the Canon 14mm f2.8L II USM also has a larger diameter of 80mm compared to the Canon 8-15mm f4L Fisheye USM's 79mm 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 8-15mm f4L Fisheye USM weighs 540g, which means it is 105g (16%) lighter than the Canon 14mm f2.8L II USM which has a weight of 645g.
Lens Mounts
Both the Canon 8-15mm f4L Fisheye USM and the Canon 14mm f2.8L II USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K.
Focal Range
Canon 8-15mm f4L Fisheye USM has a focal range of 8-15mm and
1.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
12.8 - 24mm.
On the other hand, the Canon 14mm f2.8L II 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.
