The Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM gives you the option to add something totally different to your photography. This lens is capable of creating circular images giving you the ability to capture entire landscapes.
The 4.5mm F2.8 EX DC Circular Fisheye HSM has the advantage of a large maximum aperture allowing you to use relatively fast shutter speeds. This can be a big help to you in challenging light.
Sigma have used a special coating to reduce any lens flare. They have also added in an HSM (Hyper Sonic Motor). This gives you faster focusing times.
Specialist Subject: Fisheye Photography
Minimum Focal Length
Maximum Focal Length
Closest Focusing Distance
76.2 x 77.8mm
Specifications are subject to change without notice.
Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM Specification