Positionierer MK25 FC coupler 0.4

1. Positionierer: This term translates to "positioner" in German, indicating that the device is used for the precise positioning or alignment of objects or components.
2. MK25: "MK25" appears to be a specific model or designation within a product lineup. Different models may have varying specifications and features.
3. FC Coupler: "FC Coupler" suggests that this positioner is equipped with an FC coupler interface. FC connectors are commonly used in optical fiber systems to ensure accurate alignment and connection of optical fibers.
4. 0.4: "0.4" may represent a specific measurement or dimension related to the positioner. This could refer to its travel range, resolution, or another critical parameter. The exact meaning of "0.4" would depend on the manufacturer's specifications.

Very compact triaxial fibre coupler stage

NA of 0.4 for FC connector