Lensbaby Optic Swap Intro Collection for Fuji X The Optic Swap Intro Collection is perfect for photographers who are curious about stepping into Lensbaby and would like to experience the two most popular Lensbaby creative effects in one Collection. The Optic Swap Intro Collection Includes a Composer Pro II with Sweet 50 and Edge 50 optics, Small Optic Swap System Case, and a heavyweight Lensbaby lens cloth. Experience our two most popular optics in one Collection; the Sweet 50 allows photographers to highlight their subject in a sharp sweet spot of focus surrounded by dreamy blur. And the Edge 50 creates an edge-to-edge slice of focus effect in any direction, enveloped in smooth, gradually increasing blur.