New expression with a wider view, Converter for FE 28mm F2 lens, providing 21mm angle of view, Dedicated optics and visually matching design, Easy-attach bayonet mechanism lock for a quick fit, Automatic detection for EXIF data generation, Dust and moisture resistant design,

This dedicated ultra-wide converter for the FE 28mm F2 lens provides an even wider 21mm focal length, and because it is specifically designed for the full-frame FE 28mm F2 it delivers imposing wide perspective with high resolution throughout the image area from infinity down to the closest focusing distance, without compromising the lens's image quality. The sophisticated design seamlessly matches the lens, and is dust and moisture resistant for maximum reliability.A 21mm focal length makes it possible to capture sweeping views with impressive perspective indoors or out, particularly when shooting in the full frame format.