4x magnifier,for eotech high quality low price 4 x magnifierSystemMagnifying ModuleMagnification4XEye reliefat 5° FOV 40 90 mm at full FOV 60 65 mmFOV6°Optical coatingMgf2 blueMECHANICAL DATA Surface finishAnodized aluminum, dark grey, rubber covered blackMountingThe 4XMag is provided with a 30 mm diameter tube (for mounting)DIMENSIONS Length120 mm (5")Width/height43x43 mmRing width30 mmWeight280 ...