1. Despite its enormous focal length range, the Tamron SP AF 200–500mm f/5–6.3 Di LD Lens is rather small and light. At its 200mm setting, without the hood, it is 3.7 x 8.9 inches (93.5 x 227mm). The lens weighs only 43.2 oz. (1,226g). Under some shooting conditions, it can easily...