Sigma 20-40mm f/2.8 EX Aspherical DG DF

The Sigma 20-40mm f/2.8 EX Aspherical DG DF is a high-quality camera glass that offers a wide range of focal lengths. It has a fast aperture of f/2.8 which allows for great bokeh and low-light performance. The lens is designed with aspherical elements which help to reduce distortion and improve sharpness. The lens coating helps to reduce flare and ghosting, resulting in clear and crisp images. The lens is well-built and durable, making it a great option for professional photographers. The autofocus is fast and accurate, but the lens also offers manual focus for more precise control. This lens is a great alternative to other prime zoom lenses on the market and is a great choice for photographers who want a versatile lens with great optics. The resolution is high and the manufacturing time is reasonable.

Optical design

Bright lens thanks to the high aperture value Has 9 aperture blades, with this amount of aperture blades you will be satisfied with the result.

Physical characteristics

107 mm long, requires consideration if you want to carry in the camera bag. With a lens filter diameter of 82 mm lens filters in this range can be expensive, purchase lens – and filter – only if you plan to keep them for long time, make a try with used ones. Weights 595 grams so plan ahead, carry only if really necessary.