› Forums › Spectroscopy › Focal reducers for Alpy! › Focal reducers!
1 November 2016 at 7:59 pm
#577573
![](https://britastro.org/wp-content/uploads/2016/11/picture-2092-1477996892-80x80.jpg)
Participant
Cheers for that David, it seems with focal reducers its not an exact science especially if you start adding extension rings and such like plus I don`t use the calibration module!!. Any luck with that Nikon Capture NXI software yet?
Steve