Product information: “Duplex”
When every tenth counts, the Duplex from MEC is the answer.
– Allows the attachment of individual centering ring sizes or a centering iris
– Individual adjustment of centering ring (iris) distance using stepless length shifts on the lens shade
– Compatible with the centra rear sight “SPY” and in combination with “LENS-HOOD II” also be used for all standard rear sight
– Delivery without Duplex-insert or Duplex-iris
X-Y adjustable unit to allow the attachment of an additional centering ring or Iris
– Significant improvement of the aiming accuracy
– Minimizes aiming errors
Here are some examples of possible configurations and mounting options based on your diopter model – Montage_Varianten_Druck_25 05 12_mulitlinugal_small (mec-shot.de)