Probably true. I imagine it has something to do with the arrangement  
of the elements in the lenses. I know the A2X-S works great with the  
A 400/5.6. Although on that lens, the L doesn't even fit due to its  
long nose.
Paul
On Jan 29, 2007, at 6:43 PM, Mark Cassino wrote:

> By chance I took a look at B&H's page on the Pentax 1.4x-L  
> teleconverter
> today. There's a list of compatible lenses, but several are marked as
> "Fits, but better performance can be achieved with other versions." I
> assume these are lenses that would work better with the 1.4x-S  
> converter.
>
> I was surprised to see the A* 400 f2.8, F* 600 f4, and A* 600 f 5.6 on
> this list.  Oddly, the FA* 600 f4 is not so noted.
>
> See -
>
> http://www.bhphotovideo.com/bnh/controller/home? 
> A=details&Q=&is=USA&O=productlist&sku=40608
>
> and click on the features tab.
>
> I mostly use the 1.7x AF adapter with my A* 400, but bought the 'L'  
> TC's
> for use with it. Any thoughts on whether the S is really better with
> some of the long glass?
>
> - MCC
>
> -- 
> - - - - - - - - - - - - - - - - - - - -
> Mark Cassino Photography
> Kalamazoo, Michigan
> www.markcassino.com
> - - - - - - - - - - - - - - - - - - - -
>
> -- 
> PDML Pentax-Discuss Mail List
> [email protected]
> http://pdml.net/mailman/listinfo/pdml_pdml.net


-- 
PDML Pentax-Discuss Mail List
[email protected]
http://pdml.net/mailman/listinfo/pdml_pdml.net

Reply via email to