Sigma AF Zoom 28-200mm f/3.8-5.6
Sigma AF Zoom 28-200mm f/3.8-5.6 is a auto focus telephoto zoom lens for full frame cameras.
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.
72 mm lens filter diameter, commonly filter size, you have plenty of possibilities this lens deserves a good quality filter. 87 mm long, requires consideration if you want to carry in the camera bag. Weights 495 grams so plan ahead, carry only if really necessary.