Sun 35-140mm f/3.8-5.3 Macro
Sun 35-140mm f/3.8-5.3 Macro is a manual focus telephoto zoom 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. Thanks to the macro capabilities this lens can make tiny things look big.
62 mm lens filter diameter, rarely used filter size, make a try with step-up rings.