aperture stop Directory References Discover Causes of the Great Depression 10 of the World’s Most Dangerous Fish Titanosaurs: 8 of the World's Biggest Dinosaurs Timeline of the Titanic’s Final Hours Will Light-Speed Space Travel Ever Be Possible? 9 of the World’s Deadliest Snakes Which Religion Is the Oldest? Contents aperture stop optics Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:description In aperture…the aperture is called an aperture stop. Thus, an aperture stop determines the amount of light that traverses an optical system and hence determines the image illumination.Read More