|The Canon EF 70-200mm f/4L USM Autofocus Lens is a high-performance L-series telephoto zoom lens combining lightweight construction with an f/4 maximum aperture. Weighing under 25 ounces (a mere 705 grams) its overall diameter is about half the size of its sister 70-200mm f/2.8 lens. Like the f/2.8 lens the f/4 version has no vignetting at the edges of the frame and features the same optical performance. Its compact design allows you to capture high quality images whether be they travel portraiture or nature. Internal Focusing and Ultrasonic Motor enable quick and quiet autofocusing. Also a circular polarizing filter can be attached and used without difficulty because the front lens element does not rotate during focusing. The Canon EF 70-200mm f/4L USM lens is a would be a welcome addition to any professional or amateur photographers outfit.|
The Canon EF 70 300mm f/4 5.6 IS USM Lens ...