Digital Concepts 0.45x Wide Angle Lens W/ Macro Includes Stepping Rings For 49/52/55/58/67/72mm (Black Finish), Japan

• 0.45x Wide Angle Lens With Macro (Close-ups) 
• High Definition Digital Lens
• Optimized For Mega Pixel Photography
• Extreme Speed Auto Focus
• MultiCoated Optical Glass
• 62mm Threading w/ 49/52/55/58/67/72 Rings Included
• Steel Barrel Design
• Infrared Compatible
• Includes Carrying Case
• Made In Japan
• Uses 82mm Filters
• Lifetime Warranty

                                         

Here are some samples of the differences between a normal view and the 0.45x wide angle view: