----- Original Message ----- From: "William Robb" Subject: Re: optimal lens performance with extension
> > > > > What about when lenses are reversed? Should macro lenses be set at > infinity > > or at the closest focusing position? Bill the dumbass said > > Closest. Look at what happens when you focus a lens. The entire group > moves away from the mount. Which is, of course not at all what he meant to say. What he meant to say was Farthest (infinity). Look at what happens when you focus a lens. The entire group moves away from the mount. Carry on then. William Robb