The Apo-Sinaron is the classic process lens. With its outstanding definition, it is useful for more than process and product shots. Though primarily i

The Apo-Sinaron is the classic process lens. With its outstanding definition, it is useful for more than process and product shots. Though primarily intended for copying flat-work at a 1:1 magnification ratio, its field angle of around 48 degrees makes it a first-class long focal length lens. They are light, compact and still superior in sharpness to a tele-type lens.