This Lensbaby Optic Kit is part of the Lensbaby Optic Swap System, and includes the Plastic, Pinhole/Zone Plate, and Single Glass optics.
Lensbaby has developed a line of different "optics" that can be interchanged with the Muse, Composer, and Control Freak lenses. This system provides artists with an almost unlimited variety of looks and styles to capture their unique visions.
The Plastic Optic provides the softest, dreamiest look in the line-up of optics. It results in photos that have a very ethereal look, with abundant chromatic aberration.
The Pinhole/Zone Plate Optic lets you shift easily back and forth from the pinhole mode to the zone plate mode by simply sliding a toggle inside the optic. In either pinhole or zone plate mode, this optic insert achieves soft focus, dreamy images that are equally sharp from edge to edge.
The Single Glass Optic features a single uncoated optical glass element. It is ideal for fine art, portraiture, black and white images, or any shot requiring a subtle, soft, dreamy effect.