What describes the amount of light allowed to pass through a camera lens?

More Questions:

The Chicago Bulls take the court to "Sirius', an instrumental track by what prog-rock band?

What is the fear of gods or dieties known as?

The use of astronomical phenomena to predict earthly and human events is called what?

In Greek mythology what is the place of ideal happiness called?

What literary work inspired the Beatles" "Tomorrow Never Knows" song?

Who was the twin brother of Artemis?

Lobamba and Mbabane are the legislative and administrative capitals of which African country?

Which country's capital is Belmopan?

Which acid is the main gastric acid present in the human stomach?

What was the well-known nickname of the American tap dancer, Bill Robinson?

Who was the last King of Troy?

What country was host to the “2017 World Expo”?

Calypso, cattleya and laelia are types of which flowering plant?

"From a Distance" was a hit in the early 1990s for which singer?

What country borders Zambia to the west?