Sigma’s original OS (Optical Stabilizer) function offers the use of shutter speeds approximately 4 stops slower than normal. Ideal for sports, wildlife and landscape photography with handheld shooting. Three SLD glass elements and a rear focus system provide optimum image quality throughout the entire zoom range.

Canon's Image Stabilizer technology will keep the image steady even when you are not. High magnification multi-coated lenses deliver a wide, extra-bright field-of-view. All Canon binoculars feature a center focus for easy one-handed operation, and many have a water-resistant, non-slip rubber coating that ensures secure handling in a wide range of environments.