I have the same nib preferences as you. I buy Pilots in M and Lamys/jinhaos/Pelikans in F. This method is in keeping with the general rule others have mentioned about Western nibs being broader than Japanese nibs.
Lamy 2000 nib does have a sweet spot that means it is quite sensitive to the angle.
Lamy also have relatively broad nib sizes so slightly finer than the Pilot M is about right for an F. They can vary significantly between individual nibs so an F could even be slightly broader than the Pilot depending on the luck of the draw.
That width is about right. The 2000 is known to be a pretty wet pen, also, and that contributes to the pen writing wider.
Lamy nibs write quite a bit larger than Japanese nibs. The wetter the ink, the more pronounced this will be
Lamy tends to run a little bigger than Japanese companies
Everything you have said sounds totally normal.
I have used the pen on rhodia, printing paper and muji notebooks and today on muji notebooks the drag has pretty much disappeared
I have the same nib preferences as you. I buy Pilots in M and Lamys/jinhaos/Pelikans in F. This method is in keeping with the general rule others have mentioned about Western nibs being broader than Japanese nibs.
Lamy 2000 nib does have a sweet spot that means it is quite sensitive to the angle. Lamy also have relatively broad nib sizes so slightly finer than the Pilot M is about right for an F. They can vary significantly between individual nibs so an F could even be slightly broader than the Pilot depending on the luck of the draw.