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
> 



Reply via email to