Archived posting to the Leica Users Group, 2018/10/20
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]My understanding is that if it was factory then there will be a small grub screw that will have to be removed. It might not be factory so.... Acquire a sacrificial M rear lens cap to use for leverage. Acquire some solvent suitable for cutting lacquer and possibly some Kroil. Kroil is a very efficient penetrating oil. Using a small dropper or ear bud apply your solvent carefully around the outside edge and wait a fairly good while. Attempt to move the adapter with the rear cap. If no movement then repeat. Patience is a definat virtue. On Sat, Oct 20, 2018 at 2:16 AM Mark Kronquist via LUG <lug at leica-users.org> wrote: > I just acquired a nice, early Summicron 90mm (currently M) that was > factory converted to M from SM by essentially glueing/cementing an SM to M > adapter to the lens. > > This lens is and will always be a sort of M lens as it has the rd dot and > my intent is not to deceive but, rather, to use the lovely lens on my > Barnack (scrrewmount) cameras as well by carefully removing the M to SM > Adapter (again glued on) > > Has anyone done this and, if so how? Ideally, I would like to preserve the > SM to M adapter as well but?thanks Mark in Oregon > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information -- Don don.dory at gmail.com