- Who
- Joel Nicholas Peterson
- What
- 4.8 square metre(s)
- Where
- Canada (Vancouver)
- When
The largest photographic negative is 4.8 m² (51 ft² 96 in²) and was achieved by Joel Nicholas Peterson (Canada), as measured in Vancouver, Canada, on 30 July 2015.
The negative was exposed in a tall Camera Obscura chamber and developed using an experimental darkroom method using sprayers.