Jeff, The A* 300mm F2.8 is a great lens. I purchased one last year along with an A2XL converter. It is capable of very, very sharp images with or without the converter. Here's an example:
http://www.westerickson.net/mark/baywild/duckmom.html You need to add two things to your lens to obtain really sharp pictures, however: A solid tripod and good technique. Here's a nice article that describes long lens technique: http://www.naturephotographers.net/bh0201-1.html --Mark - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .