■ Voigtlander / VM, Carl Zeiss / ZM lens specially designed ■ large openings to ensure the image circle of the full-size ■ feeding stretching the shortest photographing distance in the helicoid of stroke 4 mm ■ with a metal ring the entire circumference knurled, ensure excellent operability ■ Silky by high precision helicoid and high quality grease operation feeling ■ The infinity lock, preventing the displacement of the inadvertent Pinto Corresponding body side mount: Sony E mount