Sigma MF 35-135mm f/3.5-4.5

Sigma MF 35-135mm f/3.5-4.5 is a manual focus prime zoom lens for full frame cameras.

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

With a lens filter diameter of 55 mm commonly filter size, provides a range of filter options. 92 mm long, requires consideration if you want to carry in the camera bag.