Abbreviation: G = "G-type Nikkor" (Nikon)
The abbreviations means "G-type Nikkor"
Explanation from Nikon
The G-type NIKKOR has no aperture ring; aperture should be selected from camera body.
See examples of effected products
|Nikon AF DX 10,5mm f/2,8 G ED Fisheye|
|Nikon AF-S 24-70mm f/2,8 G ED|
|Nikon AF-S DX 35mm f/1,8 G|