First photo is the Sigma, single focused on the window. Black dot showing this.
Second photo is the Canon, single focused on the window. Black dot showing this.
(((Right-click and 'view image' for a bigger photo)))
I don't like the focusing on the left hand side.
I'll be sending Sigma(UK) an email about it soon to ask what I can do.
When I received the lens from Sigma(UK) they enclosed a note saying that they've fixed the '4th group lens'. What is the 4th group lens?
