The composer pro with edge 80 puts tilt shift effects at the tip of your fingers when used in the composer pro the edge 80s flat field of focus optic takes on a new life simply tilt the composer pro to create a crisp slice of focus through your image the composer pros metal swivel ball design and ultra smooth manual focusing ring delivers precise fluid control over the tilt and placement of your slice of focus the edge 80 an 80mm f28 flat field of focus optic features internal apertu