The FFM Focus Finder
A mechanical solution to the Field Frequency Modulator,ย and a presentation of initial drawings by the Gwandau team. Based on David Barclays unparalleled and truly… Read More »The FFM Focus Finder
A mechanical solution to the Field Frequency Modulator,ย and a presentation of initial drawings by the Gwandau team. Based on David Barclays unparalleled and truly… Read More »The FFM Focus Finder