Focal reducers! › Forums › Spectroscopy › Focal reducers for Alpy! › Focal reducers! 1 November 2016 at 7:59 pm #577573 Steve CuthbertParticipant 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
