Quote Originally Posted by jrw View Post
I suppose that the perception of complexity in any endeavour varies greatly depending on one's background experience. If there is a school with a machine shop in your neighbourhood you may find a shop teacher quite happy to have some students make some of these as an example of rather basic machining operations.
I have been tempted to take my lens collars to a shop and have them milled for the clamps. Seems some version of not wise for the manf's to no mill it into the foot of larger tele's