# title = "Gold Cam 56: 600 l/mm"
# type = grating
# gmm = 600 groves/mm
# blaze = 21.84 deg
# reflectance = 0.79
# eff1 = KPNO/Gratings/gc56.1        # First order measured efficiency
# eff2 = KPNO/Gratings/gc56.2        # Second order measured efficiency
