AF is great for long glass... 1- FA*300/f2.8 ED&IF: Big glass that isn't too big. 2- FA*400/f5.6 ED&IF: I'd prefer an f/4.0... but this one does the job. 3- FA*600/f4 ED&IF for a bit more reach.
Cheers, - Dave http://www.digistar.com/~dmann/
- SMC Pentax K-Mount Extreme Telephoto Prime Lens Poll Arnold Stark
