Leica/Leitz Elmar 90/f4.0 Screw Mount

Leica screw mount Elmar telephoto lens, this is a post-war coated lens.  The lens is mounted onto a Leica IIIf with self-timer cum the Imarect.

On the left above, the Elmar is mounted onto a Leica IIIf with self-timer and Imarect, on the right above, the Elmar is mounted onto a Leica IIf with Vidom.