Carl Zeiss Sonnar T 150mm f/4 CF

Carl Zeiss Sonnar T 150mm f/4 CF is a manual focus telephoto lens for medium format slr cameras.

Optical design

Has 5 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle. Great choice mainly for good light conditions

Physical characteristics

With a lens filter diameter of 60 mm you are one step from the next standard filter size, buy step-up ring and bigger filter you may want to use a step-up ring and 67 or 77mm filter. 91 mm long, requires consideration if you want to carry in the camera bag. Weights 780 grams so it is a heavy lens, consider using its own lens bag.