When every tenth counts, the Duplex is the answer. The logical extension to the Duplex is the Duplex-Vario. The centring ring is now variable an can be adjustetd to suit personal requirements.

Two adjustment ranges are available. The 3.4-4.4 range has been developed for rearsiights with short anti-glare tubes, such as the Spy and Free Sight. The 3.8-4.8 range, meanwhile, is intended for use with rearsights that have long anti-glare tubes, such as Ansch├╝tz and FWB models.