iNova Focal reducer 0.5x

Focal reducer 0.5x


  •  With a male / female thread as input and output.


  •  For autoguiding, this accessory is recommended to reduce the F-ratio of an instrument (with a high F-ratio) used as a guide telescope (refractor, Maksutov-Cassegrain or Schmidt-Cassegrain); it gives a better sensitivity to the autoguiding solution for detecting a guide star and reducing the turbulence effect on the guide star (bad effect when autoguiding).


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