The lens is capable of creating high magnification macro images ranging from 4X to 4.5X magnification without using extension tubes. Greater magnification (up to 13:1) can also be achieved by stacking extension tubes or bellows. The high magnification is also extremely useful for scientific purposes. The lens is solely for macro use with a lowest magnification factor is 4X.
It incorporates a 6 elements in 4 groups, with a 3-bladed iris and apertures from F2 to F16, it weighs 8oz (230g) and is 60mm long.