DTran wrote:
G lenses don't have aperture ring and >>don't have electronic diaphragm<<. E type lenses are not G lenses but don't have aperture ring and have electronic diaphragm.
"Finally, we end with the letter G, which indicates that the lens >>has<< an electronic diaphragm control, meaning that the f/stop is set from the camera. On older NIKKORS you may see the letter D, and that means distance information is factored into the metering process. These days all NIKKORS have distance encoders, so you won't see D on new NIKKOR lenses—only G.