Has any one noticed that in the first and second film the design to every characters wand was different to the rest of the films???

Here's Harry's wand from the first and second film:

See how it's more smooth and round tip and the handle is different it's not rough.

Harry Potter wand

Harry Potter using his wand for the first time.


Here's Harry's wand for the rest of the films:

See here it's very rough not smooth.

Harry Potter's wand

Another good example is Hermione Granger her too was smooth and no ingraved vines. When after chamber of secerts it changes to this design.

Hermione Granger's wand