Certified Professional Photographer (CPP) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 465

Which focal length would a typical 2x teleconverter create when used with a 200mm lens?

400mm

When a 2x teleconverter is used with a 200mm lens, it effectively doubles the focal length of the lens. This means that the new focal length after attaching the teleconverter would be calculated as follows:

200mm (original lens focal length) x 2 (magnification factor of the teleconverter) = 400mm.

Therefore, the focal length created by the combination of a 200mm lens and a 2x teleconverter is indeed 400mm, making this option the correct choice. It’s important to remember that teleconverters alter the effective focal length of a lens, which can significantly affect the composition and approach to photographing subjects, particularly in types of photography where distance from the subject is crucial, such as wildlife or sports photography.

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600mm

250mm

300mm

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