A quiz about lenses… what do you know?

• Lenses • Lens quiz

• Lenses •

Lenses are a wide ranging subject…

and there is a lot to know. It is very easy to make mistakes. So finding out the basics is important. In this lens quiz I will give you the links to resources so can find the simple answers which is also essential information… have fun!

Lens Quiz Questions…
  • Q1. Why do you use a lens hood?
  • Q2. Name the phenomenon that causes light to bend when it hits a lens surface?
  • Q3. How does the optical path differ from the optical axis?
  • Q4. What is another name for an individual glass lens inside a photographic lens?
  • Q5. Is the focal length of an optical lens the same as the focal length of a photographic lens?
  • Q6. How many lenses in a lens group?
  • Q7. Describe what “chromatic aberration” looks like in a picture.
  • Q8. What is projected onto the sensor plane from the lens?
  • Q9. What is the diaphragm in a photographic lens?
  • Q10. Can the focal length be greater than the measured length of the lens body?
  • Q11. What would you normally use a macro lens to do?
  • Q12. Does a wide aperture have a low ‘f’ number or a high ‘f’ number?
  • Q13. Is the shutter in the lens or the camera?
  • Q14. Which is the fastest lens an f1.2, f5.6 or f4.0?
  • Q15. What controls the depth of field?
Where to find the answers…
Answer sheet

You can download a copy of an answer sheet so you can write the answers while looking at web pages.

Our answers…

We will give you our answers on Monday 05th August 2013. In the meantime, have fun!

Comments, additions, amendments or ideas on this article? Contact Us
or why not leave a comment at the bottom of the page…

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Damon Guy - Netkonnexion

Damon Guy (Netkonnexion)

Damon is a writer-photographer and editor of this site. He has run some major websites, a computing department and a digital image library. He started out as a trained teacher and now runs training for digital photogs.
See also: Editors ‘Bio’.
By Damon Guy see his profile on Google+.

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One response to “A quiz about lenses… what do you know?

  1. Pingback: Broaden your lens and focal length knowledge | PhotokonnexionPhotokonnexion