Tamron SP 85mm f/1.8 Di VC USD is a solid lens with an attractive design. The maximum opening is slow so as to help tame the size and weight. Tamron's Image Stabilizer increases its low-light capabilities beyond what is possible with conventional 85mm f/1.4 lenses. The size of the lens remains constant throughout the focusing range. Tamron has implemented some moisture seals to increase durability. The front element has a special coating that prevents dust and liquids. The focus is adjusted manually using the appropriate ring. The barrel-shaped lens hood comes with the camera to attach in case of excessive light to avoid glare. The AF of the lens is quite fast and silent and has excellent precision. Tamron's image stabilizer (VC or Vibration Compensation) has an efficiency of 3.5 f-stops, perfect for creating different types of photo shoots. The optical construction consists of 13 elements in 9 groups, the diaphragm has 9 rounded blades and the overall weight of the lens is 700 grams. A medium weight that is not too light but not excessively heavy, this makes it usable both on a tripod and holding it in the hand for a series of dynamic shots. Ideal for: Tamron SP 85mm f/1.8 Di VC USD is a lens for advanced level photographers who are approaching professionalism and for already established professionals looking for a versatile lens for their shots.