Leica Voola 16621 Elmar 50mm A36 Chrome Aperture Control Ring Clean Rare
This very hard to find Leica Voola 16621 aperture control ring accessory is in excellent condition. The Voola aperture control ring. Made to fit your early Leica Elmar 50mm f3.5 collapsible lenses with the A36 filter mount and aperture control tab on the front ring. Ring fitted into place on the front of the lens underneath a filter to allow for very easy control of the aperture ring. Hard to find accessory and a must have for your early Leica 50mm Elmar f3.5 collapsible lenses.