For those photographers out there who want to upgrade from their variable aperture zoom to a constant now have an option without shelling out the big bucks for the f2.8 model. Today Nikon has announced their first constant f4 70-200mm lens in long long time. This lens isn’t just cheaper, its also lighter (850 g/30.0 oz.) and features a new third generation Vibration Reduction can also offer the equivalent of a shutter speed 5 stops faster.
