Carl Zeiss Vario-Sonnar T 28-85mm f/3.3-4 C/Y

Carl Zeiss Vario-Sonnar T 28-85mm f/3.3-4 C/Y is a manual focus prime zoom lens for full frame cameras.

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.

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. 98 mm long, requires consideration if you want to carry in the camera bag. Weights 735 grams so it is a heavy lens, consider using its own lens bag.