Carl Zeiss Jens MC Flektogon 20mm f/2.8

The Carl Zeiss Jens MC Flektogon 20mm f/2.8 is a camera glass that offers a wide angle view and a high aperture value. It has a manual focus system and a six-blade aperture design that produces a circular bokeh effect. The lens is 54mm long and weighs 350 grams, making it a bit bulky and heavy to carry around. It has a 67mm filter diameter, which is close to the next standard filter size. The lens has a high build quality and is made with multiple lens elements and a special coating to reduce reflections and increase contrast. It was manufactured some time ago, but it still offers good resolution and sharpness. There are alternative lenses available for different camera mounts.

Optical design

Bright lens thanks to the high aperture value 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

Weights 350 grams so plan ahead, carry only if really necessary. 67 mm lens filter diameter, you are one step from the next standard filter size, buy step-up ring and bigger filter. 54 mm long, requires consideration if you want to carry in the camera bag.