Amazon.com : Super Macro Lens with Universal Snap-on Mount for 38mm to 52mm Filter,Snap-on Macro Lens Compatible with Canon EF, Nikon F(DX), Sony Alpha etc+ Lens Optic Pen Cleaner + 1 Micro-Fiber
Raynox DCR-250 52mm Lens for sale online | eBay
Raynox DCR-150 1.5x Macro Lens RAYDCR150 B&H Photo Video