- The maximum aperture of f/2.8 makes your subject stand out with sharp focus against a smooth background - With 3.5-stop image stabilisation, you don't have to rely on your tripod to keep things steady - The Fluorite coating and UD glass reduces lens flare for high contrast images - Autofocus is so quick that you won't miss a chance to get a snap of that bird in the wild - Protective seals guard against dust and moisture, making this lens great for nature photography