Sigma 18-35mm f/3.5-4.5 Aspherical UC

Sigma 18-35mm f/3.5-4.5 Aspherical UC is a auto focus wide angle zoom lens for full frame cameras.

Optical design

Average brightness in this league Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.

Physical characteristics

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. 71 mm long, requires consideration if you want to carry in the camera bag. Weights 300 grams so consider putting to your camera bag.