- Who
- Jason Groupp
- What
- 300 total number
- Where
- United States (Cincinnati)
- When
The most flash bulbs used to take a photograph is 300 and was achieved by Jason Groupp (USA) in Cincinnati, Ohio, USA, on 8 May 2011.
The flash bulbs were mounted onto four boards of 75 bulbs each and were triggered simultaneously by radio transmitters. Each board had around $20,000 worth of equipment mounted on it.