The two firms produce lightweight cameras and lenses using the same lens mount, meaning that Panasonic Lumix G lenses are adapted for use on Olympus or OM System cameras, and vice versa.
the barrel section of which also acts as a lens hood when used at 15mm. However, you need to remove it when shooting at shorter focal lengths. See our full Canon EF 8-15mm f/4L Fisheye USM lens review ...
Also unlike the 14-24mm lens, this one has a detachable lens hood which enables the inclusion of a 77mm attachment thread for the straightforward fitment of filters. Two ED (Extra-low Dispersion) ...