Employs a 4-group, 4-element (4-lens) construction without cemented elements to reproduce the original optical performance.
The image quality changes significantly with aperture adjustments, allowing you to enjoy both the bokeh with slight halation when the aperture is wide open and the sharpness when stopped down.
The exterior features a brass barrel and a robust design, giving it a substantial and imposing appearance. The shape of the aperture ring operation lever, one of the original features, has also been reproduced.
