COMT Practice Exam 2025 – Complete Resource for Exam Prep

Question: 1 / 505

How does a larger aperture size (not the number) affect the "speed" of the lens?

Less speed

Greater speed

A larger aperture size allows more light to enter the lens, which increases the amount of light reaching the camera sensor or film. This enhanced light intake is often referred to as greater "speed" of the lens. In photography, a faster lens can take pictures at shorter exposure times, which is particularly beneficial in low-light conditions or when capturing fast-moving subjects.

With a larger aperture, the lens can achieve a given exposure more quickly than a lens with a smaller aperture, thereby allowing for faster shutter speeds. This not only enables better performance in dim environments but also helps in achieving sharper images when photographing moving objects due to reduced motion blur.

In summary, a larger aperture results in greater speed because more light is captured, facilitating quicker exposures without sacrificing image quality.

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No impact on speed

Variable speed

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