The A. Schacht Ulm Edixa-M-Travenar-A 1:2,8 50 is a Macro lens with M42-mount.
It can display up to an image scale of 1:1 . It has an aperture preselection.
The lens block incl. aperture can be unscrewed from the helicoid. Then other M42 lenses can be used with this helicoid or the lens block can be used in a M42 macro bellows.
The helicoid has an extension from 37mm to 87mm.
Links to online resources:
Posted by: Andreas Lindemann Date of publication: 22.07.2021