On Thu, 13 Apr 2006 08:44:56 +1000, Rob Studdert wrote: >> > Yes, the F 1.7x AF: >> >> What do these fellows go for on the used market? You lose one stop, >> right? > >No, it's a 1.5 stop loss but it's one of Pentax's best TC, I get measurably >better results with it on my long glass than the dedicated XL TCs at wider >apertures.
I have the same experience, great piece of optics ... I have two of them, one in the camerabag, the other more or less permanently fixed to the A* 300mm f/2.8 to get a 500mm AF ... Regards, JvW ------------------------------------------------------------------ Jan van Wijk; http://www.dfsee.com/gallery
