On Mon, 16 May 2005, Jostein wrote: > an adapter with two cokin rings and epoxy glue, and tried the FA > 50/1.4 reversed in front of the A*200/4 macro.
<snip> > Optically it seems like a good solution for 4X macro in the field. Can you point me to a reference for the calculation of the magnification? Thanks, Kostas

