The lens head with aperture ring does unscrew from the focusing mount. But it a fine, close fit thread and should not wobble. The focus ring is held to the focus tube by three set screws, which should be tight. A proper is 135mm f3.5 chrome Nikkor should be tight in every respect with no wobble anywhere. The focus should be buttery smooth. These are superbly made lenses.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.