Fixed Portrait Shoot

ISO 100 (F5.6--1/25)

ISO 400 (F11--1/2500)

ISO 800 (F13--1/100)

ISO 1600 (F11--1/250)

ISO 3200 (F6.3--1/2000)


 The Best ISO to shoot is 800, next is the ISO 400.
I'm able to create equivalent exposures to my best photo changing Aperture and Shutter speed.
I learned how to make an equivalence of exposures in my photos.