You loose about one and a half step. They go for 50-200$. Anything below 100$ is a good price IMO
Tim Mostly harmless (just plain Norwegian) Never underestimate the power of stupidity in large crowds (Very freely after Arthur C. Clarke, or some other clever guy) > -----Original Message----- > From: Aaron Reynolds [mailto:[EMAIL PROTECTED] > Sent: 12. april 2006 17:16 > To: [email protected] > Subject: Re: Autofocus with Manual Lenses > > > On Apr 12, 2006, at 11:13 AM, David Savage wrote: > > > Yes, the F 1.7x AF: > > What do these fellows go for on the used market? You lose one stop, > right? > > -Aaron >

