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The video tutorial provides a comprehensive overview of F2.8 lens specifications, ranging from introductory to advanced levels. It covers various lens sizes, offering detailed insights into each specification. The tutorial is structured to guide viewers through the progression of lens sizes, ensuring a thorough understanding of the topic.

What is the focal length range covered in the first section of the video?

• 15.5x to 20.5x

• None of the above

• 8.5x to 14.5x

• 1.5x to 7.5x

Which focal length is not discussed in the second section?

• 12.5x

• 15.5x

• 10.5x

• 8.5x

What is the common aperture setting used throughout the video?

• F4.0

• F3.5

• F2.8

• F1.8

In the final section, which focal length is the highest discussed?

• 16.5x

• 18.5x

• 19.5x

• 20.5x

What is the lens size used in all sections of the video?

• 100mm

• 50mm

• 135mm

• 85mm