Voigtländer 20mm 3.5 Aspherical Color Skopar SL II Specifications
Diagonal Angle of View:
Number of Aperture Blades:
rear focus, manual only
LH-20 or its successor LH-20N (both thread mounted and of round shape)
2009 - 2015 by Cosina
The lens features full support for all electronic functions of the EOS, just no autofocus.