# title = "Gold Cam 58: 400 l/mm"
# type = grating
# gmm = 400 groves/mm
# blaze = 10.39 deg
# reflectance = 0.84
# eff1 = KPNO/Gratings/gc58.1        # First order measured efficiency
# eff2 = KPNO/Gratings/gc58.2        # Second order measured efficiency
