I got my 300 f/4 today. I'm new to all this and learning from everyone here. These are all taken with a d300, 300 f/4, kenko 1.4x, and mono pod. Thanks for looking. View attachment 219047 View attachment 219049 Since I'd asked about using this for birds and macro - One bird shot View attachment 219052 Thanks to everyone for your advice on this lens. I look forward to learning more about using it and my other equipment.