SUMMARY
An external flash unit continues to be a relevant piece of gear for photographers, even with modern cameras offering improved low-light performance. The primary reasons for its continued use include the ability to precisely control light direction and intensity, which is crucial for shaping the mood and dimension of a photograph. Furthermore, an external flash can provide a more powerful and consistent light source than on-camera options, allowing for greater flexibility in different shooting environments and enabling techniques like fill flash or creative lighting setups.
TAKEAWAYS
External flashes offer superior control over light direction and intensity.
They provide a more powerful and consistent light source than built-in options.
Flashes enable creative lighting techniques and enhance image quality.
Despite camera advancements, external flashes remain essential gear.