Testing the William Optics AFR-IV (aka PFLAT4) focal reducer/field flattener with EON120 and TMB80SS

Since it’s a full moon, and I’m not well placed for the total lunar eclipse tonight, I took advantage of the clear skies to test out a new piece of equipment: the WO AFR-IV.  I already have an excellent field flattener, the AstroTech AT2FF, but I was looking for a focal reducer, especially for the … More Testing the William Optics AFR-IV (aka PFLAT4) focal reducer/field flattener with EON120 and TMB80SS