Beriflex 135mm f/2.8 Auto
Beriflex 135mm f/2.8 Auto is a manual focus prime 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. Bright lens thanks to the high aperture value
97 mm long, requires consideration if you want to carry in the camera bag. Weights 450 grams so plan ahead, carry only if really necessary. 55 mm lens filter diameter, commonly filter size, you have plenty of possibilities.