The Inon D Holder Extention Bar is attached on the Grip Base D4 or Grip Base M1/D Holder to function a lens holder.
Weight: 53g (1.9oz) [air] / approx.34g (1.2oz) [underwater]
Compatible base: Grip Base D4 - Grip Base M1- D
Holder Compatible lens holder: LD/M67 Lens Holder S AD Lens Holder (Lens Holder [screw] only) LD/M67 Lens Holder W (Lens Holder [screw] only)
*"Wireless connection" is not compatible when using D Holder Extension Bar since combined "Lens Holder" or "attachment lens" may block built-in flash light. Please use "Optical D Cable connection" for this configuration to benefit reliable operation of the strobe.