Raynox DCR-250 2.5x Super Macro Lens, Snap-on Universal Mount for 52mm to 67mm Filter Diameters + Optic Pen Lens Cleaner + 1 VCC Micro-Fiber Clot - Video Camera Center
Raynox DCR-250 Clip On Macro Diopter Lens. - YouTube
Using Raynox Adapters For Extreme Macro
RAYNOX DCR-150 MACRO CLOSE-UP LENS 52 55 58 mm for CANON 28-80 28-90 70 75-300 | eBay