Retra Flash Prime Underwater Strobe



  • 4900 K Color Temperature
  • Machined Aluminum Body
  • User Programmable Settings
  • Leakage detector and battery indicator: (SOLD SEPARATELY)
  • Electrical connector: via Converter (SOLD SEPARATELY)
  • 13 Power Settings
  • 1-inch Mounting Ball Included

Focus on quality of light

Using a unique flash tube and a completely new reflector design, Retra has accomplished a light output no other strobe this size can offer. 

The user interface, made by photographers

Listening to photographers who are using the original Retra Flash the interaction and functionality of the new Retra Flash is even more intuitive and precise. 


  • Flash power (angle): 100 Ws (130º)
  • Color temperature: 4900 K
  • LED power (angle): 300 lm (20º)
  • Recycle time (4xAA): ~2 s
  • HSS ready: YES
  • Power levels: 13
  • Leakage detector: Optional
  • Bayonet mount type: A1
  • Electrical connector: via Converter (SOLD SEPARATELY) 
  • Weight (without batteries, with 1" Mounting ball): 775 g

A Message From Retra: "WARNING: You are pre-ordering a product which is currently under development. Delivery times may change due to production delays or product improvements. There is no guarantee you will receive the product on time. Your pre-order may be fully refunded at any time."