Shop › Voigtlander 75mm f/1.5 ASPH For Canon RF Voigtlander 75mm f/1.5 ASPH For Canon RF $749.00 sold out Voigtlander 75mm f/1.5 ASPH For Canon — a manual-focus lens for Canon RF Mount. Filter thread: 62mm. Sold Out Added! Voigtlander 75mm f/1.5 ASPH For Canon — a manual-focus lens for Canon RF Mount. Filter thread: 62mm.