Sigma 21-35mm f/3.5-4.2

This camera glass has a wide focal range, which makes it suitable for landscape, architecture, and street photography. It has a good build quality and is made of high-quality glass elements that ensure sharp and clear images. The lens coating helps to reduce ghosting and flare, which can be a problem in bright sunlight. The autofocus is fast and accurate, making it easy to capture sharp images. However, it also has a manual focus option for those who prefer to have more control over their shots. The aperture range is f/3.5-4.2, which is good enough for low light situations. Overall, this photographic lens is a good alternative for those who want a wide-angle zoom lens with good optics and build quality. It is also relatively affordable compared to other lenses in its class. The manufacturing time of this lens is not known, but it is likely to be a relatively new lens, as it is not widely available yet. The resolution of this lens is also good, which means that images taken with this lens will be sharp and detailed.

Optical design

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

Physical characteristics

105 mm long, requires consideration if you want to carry in the camera bag. With a lens filter diameter of 77 mm this lens deserves a good quality filter, this is commonly filter size, presents numerous filter possibilities. Weights 480 grams so plan ahead, carry only if really necessary.