Wide-angle additional lens, increase the depth of the shooting picture space, long depth of field, to ensure that the subject before and after the scene clearly appear, the lens covers a large area, a wide range of shooting
Small size, light weight, easy loading and unloading, easy to carry, marcro word part can be rotated separately, when needed to use together, to shoot macro effect
High-end expanded Angle lenses are better in terms of optical design and image quality, and the picture quality is better.
Frame distortion is solved by late correction.