The panels are so cheap that the optics shouldn't be compared to other costs like the price of panels but to the price of inverters and installation, maintenanc

The panels are so cheap that the optics shouldn't be compared to other costs like the price of panels but to the price of inverters and installation, maintenance,... Look at the price for upgrading the solar farm over time, N times the price of solar panels may still dwarf the cost of the optics.