Developer Terms and Conditions › The Development › Hardware › how deep is the light penetrating › Reply To: how deep is the light penetrating October 20, 2016 at 6:47 am #43438 AyeletKeymaster Hi, SCiO’s Penetration depth heavily depends on the sample – both material and density. Usually, SCiO penetrates food for 3-4 mm and less than 1 mm for plastic or pills (which have compressed powder in them). Ayelet, The Consumer Physics Team