okto Member Joined Dec 5, 2007 Messages 207 Format 35mm Nov 10, 2012 #1 I've wondered this for a while. Early Nikon AF lenses, the ones with the hard plastic focus ring, have a square notch molded into the focus ring. Does anyone know the purpose of this notch?
I've wondered this for a while. Early Nikon AF lenses, the ones with the hard plastic focus ring, have a square notch molded into the focus ring. Does anyone know the purpose of this notch?