Canon EF 16-35mm f/4L IS USM 10x High Definition 2 Element Close-Up (Macro) Lens (77mm)

Optics close-up lenses are for quick and easy close-up photography. The close-up lens is screwed on to the front of a lens like a filter. This lens has two achromatic elements to correct chromatic aberrations. They do not degrade the high optical performance resulting from your cameras natural lens.

• High Definition (Beveled Design) +10 Close-Up Lens
• High-Index / Low-Dispersion 2 Element Optical Glass
• Fully Multi-Coated & Threaded
• Anti-Reflection Coating
• High Speed Auto-Focus / Infrared Compatible