SKU: 401-627 Sekonic RT-20PW PocketWizard (344MHz, FCC/Canada) Transmitter Module for L-858D Light Meters
SKU: 401-624 Sekonic Step Up Ring (30.5mm - 40.5mm Screw-In Lens Hood) for L-858D, L-758, L-608, L-558 Series Light Meters