Dao
No longer a newbie, moving up!
AF 50mm f/1.8 D:
The optical construction is made of 6 elements in 5 groups without any special elements.
AF-S 50mm f/1.8G:
The new 50mm f/1.8 lens construction consists of seven elements in six groups, with one aspherical lens element to reduce instances of coma and aberration, even when shooting wide open.
So ... beside faster AF (I assume), it seems like the new one maybe better optically based on the spec. And not sure about the lens coating => lens flares handling.
The optical construction is made of 6 elements in 5 groups without any special elements.
AF-S 50mm f/1.8G:
The new 50mm f/1.8 lens construction consists of seven elements in six groups, with one aspherical lens element to reduce instances of coma and aberration, even when shooting wide open.
So ... beside faster AF (I assume), it seems like the new one maybe better optically based on the spec. And not sure about the lens coating => lens flares handling.