FOV: SVBONY 20-60x80mm & S23 Ultra Camera

S23 Ultra 12MP 3000/4000p X1 W Camera

FOV figures are lateral, defined by visible ruler in circular width or screenwidth.
--- First Row (S23 X1.0 zoom) ---
x20 1.79 °    x30 1.47 °    x40 1.19 °    x50 1.03 °    x60 0.92 °

--- Second Row (S23 X1.5 zoom) ---
x20 1.79 °    x30 1.32 °    x40 0.98 °    x50 0.76 °    x60 0.64 °

--- Third Row (S23 X2.0 zoom) ---
x60 0.40 °

(photos of ruler taken 30' from SVBONY scope center)