The Ernst Leitz Wetzlar Elmar 9 cm f/4 is a camera lens of the brand Leica. It was built in Germany.
Lens has a 90 mm focal length It is a member of the portrait lenses group. The smallest aperture opening is f/36.
The focus adjustment of the lens must be made manually. There are various clip-on viewfinders for the selection of the section, which display the correct part of the picture.
The lens can be used with cameras with M39 thread. With an adapter, the lens can also be connected to cameras with Leica M bayonet or modern digital cameras.
