An image stabilizer is used to get sharp photos at slow shutter speeds which would normally be spoiled by camera shake. The minimum ‘safe’ shutter speed depends on the conditions and the lens you’re using, but an image stabilizer can let you use shutter speeds up to five stops slower – or more. Image stabilizers […]
IS (Image Stabilizer – Canon)
These are the initials and the name Canon uses for the optical image stabilization systems used in its lenses.