Igor, Use the 2x-S for most all lenses. Use the 2x-L if you have long, fast glass. Specifically 300mm f2.8, 400mm f2.8, 600mm f2.8 also fits the A200/4 Macro... very specialized. Regards, Bob S.
On 6/29/06, Fred <[EMAIL PROTECTED]> wrote: > > The "2x-L" version is optimized for specific long lenses beyond 300mm > > and have protruding front elements which can cause mechanical > > interference problems. The 2x-S works with anything else. > > And, in general, it also works with "them", too (although probably not as > well as do the 2X-L). > > Fred > > > -- > 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
