Sigma 28-45mm f1.8 DG DN Art - L-Mount Category_Reversing Rings Underexposing by three stops and

Underexposing by three stops and using three-stop push-processing produces a further increase in contrast and graininess

it not only looks beautiful but introduces a host of great new features

natural bokeh circles in the background and foreground

The lens is great for many different types of photography

Sigma 28-45mm f1.8 DG DN Art - L-Mount Category_Reversing Rings Underexposing by three stops andThe Sigma 28 45mm F1. 8 DG DN Art is the world's first full frame zoom lens with a constant maximum aperture of F1. 8, delivering sharpness and clarity comparable to that of a prime lens. In addition to its unprecedented brightness, the SIGMA 28 45mm F1. 8 DG DN Art delivers sharpness and clarity comparable to that of a prime lens throughout its entire zoom range. Also equipped with fast and precise AF and superior operability, this innovative optic