A small portion of the lens is in focus. It's not tack sharp, but it's in focus and that's a huge first step. The exposure on the metal is good and the blown highlights are kept to an absolute minimum, which is not alway easy to do. Beyond that, the image needs some help.
Since you're showing more than just the lens and the immediate area around it, the framing/cropping is much too tight. It's not giving the protrusions from the lens body any room to breathe and overall the shot is visually uncomfortable. The tight framing is also causing problems elsewhere. It puts metal parts at the top, left, and bottom of the left-hand-side of the image at the edges. Since those parts are almost as bright as the lens, the eye jumps to them to see what's going on with those elements.
Because you have such an extreme difference in exposure value between the metal and the black body, and your DOF is so shallow, the metal parts that are dominating the image end up framing an out of focus area of visual mush to the left of the lens. I want there to be some defined features in that little cave, but they're not there. Also competing for attention are the highlights on the bellows at the top. They don't contribute anything, but they're bright so my eye naturally wants to explore them.
The end result is that I can't enjoy what should be a pleasing image of a vintage camera.
To improve this, re-shoot with much more depth of field, back up to give the camera some room in the frame, bounce some light into that cave so we can see some detail, and work to eliminate distracting elements at the edges.
Gary
Wow. I really appreciate you taking the time to do that. I'd love to give it another try.
I confess I felt the tightness in this one too.
I have never posted a pic other than coral let alone have one critiqued by someone who really knows what they are talking about.
I'll work on it and get another up here.
Thanks again.