Lensbaby's Twist 60 is a 60mm f/2.5 Lens for Full Frame SLR and Mirrorless Cameras: Spotlighting Subjects by Surrounding Them with Twisty, Swirly Blur & Enhanced Vignette – Photoxels
Lensbaby Single Focus Lens twist 60 60mm F2.5 for Canon EF LBT60C | eBay
First Look at the Lensbaby Twist 60 — Jake Hicks Photography
Lensbaby Twist 60 for Nikon F - Looking Glass Photo & Camera