Tokina AF SD 28-70mm f/3.5-4.5
Tokina AF SD 28-70mm f/3.5-4.5 is a auto focus prime zoom lens for full frame cameras.
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
76 mm long, requires consideration if you want to carry in the camera bag. Weights 400 grams so plan ahead, carry only if really necessary. 52 mm lens filter diameter, you are one step from the next standard filter size, buy step-up ring and bigger filter but you can chose from plenty options.