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Präzise Jagen Clamping Sleeve 63 mm for mounting a clip-on device on a riflescope

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FAQ - Frequently Asked Questions

The first number indicates the magnification (here: 8x). The second number describes the objective lens diameter in millimeters (here: 42 mm).
ED glass (Extra Low Dispersion) reduces chromatic aberration (color fringing) and ensures brilliant, true-color images.

  • BK-7 (borosilicate glass): Standard, good imaging performance
  • BaK-4 (barium crown glass): Higher quality, rounder exit pupils, brighter and higher-contrast image

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