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 16-35mm 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 16-35mm f2.8L II USM is the longer of the two lenses at 112mm. The Canon 8-15mm f4L Fisheye USM with a length of 83mm, is 29mm shorter. Besides being longer, the Canon 16-35mm f2.8L II USM also has a larger diameter of 89mm 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 95g (14%) lighter than the Canon 16-35mm f2.8L II USM which has a weight of 635g.
Below you can find the dimension and weight table of the Wideangle Fisheye Zoom Lenses in Canon EF Mount for size comparison purposes.
Ultra-Wideangle Lenses in Canon EF Mount for Size Comparison
Lens Mounts
Both the Canon 8-15mm f4L Fisheye USM and the Canon 16-35mm 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 16-35mm f2.8L II USM has a focal range of 16-35mm and 2.2X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 25.6 - 56mm.
