"For covering narrow aisles, a vertical aspect ratio such as 9:16 is preferred as it matches the shape of the scene, allowing for better coverage and detail along the aisle's length."
- Axis Communications Academy, Network Video Fundamentals, 2022
"The corridor format (9:16 aspect ratio) maximizes image usability in vertically oriented scenes, such as warehouse aisles or hallways."
- Axis Corridor Format Technology
References:
Axis Communications Academy, Network Video Fundamentals, 2022 (p. 20)
Axis Web Article: Corridor Format