The most difficult camera riddles A list of camera related questions that are most often answered incorrectly Optics quiz Which of the following camera lenses is typically more expensive? f/1.8 f/2.4 f/2.8 f/3.5 The smaller the f-number, the larger relative aperture there is, and that means more light for the exposure. Each aperture has half the light gathering area of the previous one. karate kid Share and bring new players to the game! Correct this question 0 Very uninteresting Too difficult Poorly written Incorrect or questionable Correct this question 0 Very interesting! lens riddles Play and see more questions Optics quiz