Sigma AF 28-70mm f/2.8-4 UC

The Sigma AF 28-70mm f/2.8-4 UC camera glass has a versatile zoom range suitable for various photography needs. It produces a pleasing bokeh effect, which is the quality of the out-of-focus parts of the image. This photographic lens has an autofocus system that enables quick and accurate focus, but it can also be manually focused if desired. The lens elements are of good quality and coated to reduce glare and improve image contrast. The build quality is decent, and the lens has been manufactured for a considerable amount of time, proving its reliability. The aperture ranges from f/2.8 to f/4, which allows for good low-light performance and depth of field control. The resolution is satisfactory, producing sharp images with good detail. There are alternative lenses available on the market, but the Sigma AF 28-70mm f/2.8-4 UC is a solid choice for those looking for a reliable and versatile photo lens.

Optical design

Has 7 aperture blades, mid-grade lenses usually have this amount of blades. Having rounded blades provides out of focus circle shape closer to a circle.

Physical characteristics

63 mm long, this small lens should be always in the camera bag. With a lens filter diameter of 55 mm commonly filter size, gives you a variety of filter options. Weights 260 grams so consider putting to your camera bag.