>>2603337you have a few options. You can use an incedent light meter, which is where you go stand where your subject is and take a meter reading pointing back towards the camera, there's a reflective reading, which works much like a digital meter you're used to where it assumes the world is 18% gray and tells you your exposure value is when you point it at your subject, or you could be very meticulous and get a spot meter, which you then point and very specific parts of the frame, to determine your brightest and darkest points in the frame. Then you expose for the shadows, and develop for the highlights.
Sometimes I shoot with my waist level finder, and when I need to, I switch to my 45 degree. You can change them out just as easily as changing a lens on any other camera.
