I think you got a nice picture there. The only 2 things I might comment on are.
Firts the center band is lacking on detail that could be either slow speed during shooting ans camera moved, shalow depth of field, try using an F stop arround 8 to 11 and if you fix the pictures prior to upload like in Photo Shop or something like it use the unsharp mask tool to enhance the overall sharpness.
Second I'd try to shoot the picture with a darker back ground that way you shoud pick up more definition on the actual pen. That is a one though combination to shoot since the pen blank not only it's pretty dark but it has details in it that you like them to show, but it contrast a lot with the hardware and the bacground, so in a way you have a hughe dynamic range to cover from light to dark and the camera sensor it not capable of recording all the data on the dark side and the light one at once, therefore you are sacrificing important details at the expense of the light background being properly exposed.
I hope this makes sence to you. I'll try to attack a picture of a fimilar pen.
PS: The reflections on the pen it's a personal preference and also dependent on the lighting, now that I look at the ones I took about a year ago I would provably choose something different but this should make the point.
Regards,
Alex
PS: Great camera you got, congrats.