in the studio the iso should be at 100 and the shutter speed should be at 1/160
This is an example of rembrandt light and i can tell because there is a light triangle on her left cheek. The light should be at a 45 degree angle facing the subject.
This is an example of split lighting and i know because only one side is lit up while the other half is completely black. The light will go to whatever side you’re lighting up, next to your subject.
This is an example of butterfly lighting and i can tell by the shadow under her nose the ‘butterfly” shape and also cause the lighting is even in the photo. The light will be infront of the subject behind the camera or above the subjects head or eye level.