Canon 8-15mm f/4L Fisheye Zoom

Canon 8-15mm f/4L Fisheye Zoom Handling and features

As is typical of Canon L series lenses, the build quality is superb. The lens body is sealed against dust and moisture and the lens has a weighty solid feel to it, which compliments the Canon EOS 5D Mark III used for testing perfectly.



The zoom action is very smooth, if a little loose and a limiter switch can be engaged to stop the lens being zoomed to focal lengths shorter than 10m, for use on an APS-C Canon camera. Some facility to lock the lens at either 8mm, or 15mm for full frame users would also have been much appreciated, as the zoom only requires the lightest touch to move through the range. Markings are provided on the left hand side of the lens denoting where to zoom to to get a diagonal fisheye field of view for APS-C and APS-H, for example, the APS-H marking sets the lens at around 12mm.



Auto focus is extremely fast, as you may expect from a fisheye lens. Unfortunately there is no hyperfocal scale on the lens, which can be useful when using a fisheye. Full time manual focus adjustments are supported, although due to the nature of the lens, it can be difficult to accurately judge focus through the viewfinder. This isn't necessarily an issue with the lens itself, just an observation, and one of the quirks of using a fisheye. Thankfully the expansive depth of field can help absorb any focusing errors.

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