On 19 Dec 2005 at 14:07, Jostein wrote: > Stopping down the 50mm to f/2 improves contrast, but introduce more optical > errors with small apertures on the 200. This leads me to believe that the best > 50mm would be the one that is the sharpest at full opening, whatever that may > be...
What about an A50/2,8 macro, they are reasonably sharp wide open and seem to be pretty abundant on the used market these days? Cheers, Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
