Archived posting to the Leica Users Group, 1997/07/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> One difference between the aluminium (alloy?) and brass mounts, so > I'm told, is if you get sand or grit in the threads the aluminium > ones will seize and lock up. Brass ones will continue to be > useable until you can get the lens to a service center. > > Bob. bobp@dodo.demon.co.uk The aluminum alloy comprises the barrel or body of the lens, NOT the mount. The bayonet mount itself is steel (stainless probably). Aluminum, regardless of the alloy, would be entirely too soft to withstand the rigors of repeated mounting and unmounting over the years. - -- Roger Beamon Naturalist & Photographer Leica Historical Society Of America mailto:beamon@primenet.com Thought for the day: Success in politics often requires rising above your principles.