Camera lens g, d, e type what is the meaning
G, D, E model lens only appears in the NIKON camera lens sequence, G represents no iris ring all-electronic shock type interface, is the latest interface; D is the distance, that can pass the distance value of the lens interface,
but the E-lens in order to save money, a large number of plastic components and resin lenses, a significant reduction in the cost, the price is very low, then low Side of the market development of the lens.
The older interface does not have a fuselage motor (17-35 F2.8D exception, this with an ultrasonic motor), and has a manual aperture ring; the E interface is not a separate breed, but in the D model lens On the basis of some simplified, the interface of the contacts are the same,