Is not really my proposed method, it’s just how I understood them to work. IIRC they had a diagram with the original models that showed the lens, and also label

Is not really my proposed method, it’s just how I understood them to work. IIRC they had a diagram with the original models that showed the lens, and also labelled things like a diffuser, etc. I’m not sure how much the technology has changed since their last generation.