Canon EF 16-35mm f/2.8L II USM Super Wide Zoom + 2x (4-Element) Teleconverter Doubler + Nwv Direct Microfiber Cleaning Clot

A 2x (Doubler) teleconverter featuring 4 elements that doubles the focal length of any compatible optic. Designed to extend your lens reach while maintaining high resolution and strong contrast, it preserves image quality when greater magnification is required.