What are the recommended Nikon D5200 flash settings for optimal lighting in low-light conditions?

To achieve optimal lighting in low-light conditions with a Nikon D5200, it is recommended to use a higher ISO setting, a wider aperture, and a slower shutter speed. Additionally, using an external flash with a diffuser can help to evenly illuminate the subject. Adjusting the flash output and angle can also improve the lighting in low-light situations.