Lenses and Apertures
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How much do you really know about how your camera works?
This quiz is primarily for fun but we hope that it helps some of the newbee photographers too. Since non-experts are the target we have deliberately written this Quiz with minimal techno speak.
If you get the answer wrong you will see a brief explanation.
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We hope you enjoyed the quiz and don’t feel too disappointed if you didn’t get 10/10….If you got one wrong there is an explanation when you review the answers. Whilst here do take a look around the site and in particular the new shop. If you enjoyed the quiz please show your appreciation and like our Facebook page…. we might be inspired to bring you some more.
Question 1 of 10
A lens is referred to as F + a numeral e.g. F8 but what does that refer to?Correct
Well Done … a flying startIncorrect
It refers to the maximum size of the aperture … more on that in the next question.
Question 2 of 10
The f-number is the _____ between the aperture and the focal length of the lens.Correct
We should get you to write some of these questionsIncorrect
The f-stop is the ratio between the two numbers; for example, a 50mm lens with an f-stop of f/2 has an aperture with a diameter of 25mm. A longer lens needs a wider opening to get the same ratio, which is why long, fast lenses tend to be heavy and expensive!
Question 3 of 10
You shoot a photo but notice that it is too dark… which of the following adjustments can you make?Correct
Well Done will we catch you out?Incorrect
You need to allow more light in and one way to achieve this is to increase the aperture. i.e. select a lower number
Question 4 of 10
Your image is too dark but your aperture is open to the maximum how can you obtain a better exposure?Correct
You must be a ProIncorrect
One way is to reduce the shutter speed allowing more time for light to enter the camera.
Question 5 of 10
You may hear of a lens referred to as being “Fast” but what does that mean?Correct
Well Done there is no stopping youIncorrect
All this technical language can be confusing. It simply means that the aperture can be open very wide allowing more light in and hence you can use a faster shutter speed
Question 6 of 10
If you increase the size of the Aperture to let in more light what effect will it have on the image?Correct
You know your stuffIncorrect
The larger the aperture i.e. the smaller the number e.g. 2.8 the shallower the Depth of Field. Shooting with a wide aperture is ideal for Portraiture as the background will be blurred.
Question 7 of 10
Exposure Compensation is yet another adjustment to get correct exposure. If your subject is too bright you couldCorrect
You certainly understand Manual PhotographyIncorrect
You would decrease the exposure compensation… a useful fine adjustment.
Question 8 of 10
A lens is described as 70-200 f/sL IS USM but what does IS refer to (in the case of Nikon VR)Correct
Guess you have one of these in your collectionIncorrect
IS stands for Image Stabilization and VR Vibration Reduction that enables you to use a lens in much lower light without noticeable blur.. In brief the modern lens has inbuilt miniature sensors and a high-speed microcomputer that makes adjustments to a special group of lens.
Question 9 of 10
Which of these lenses would be the most expensive… assuming new, same brand and build qualityCorrect
You’ve either got one or would really like oneIncorrect
In an earlier question it was mentioned that a fast lens (low f number) on a long zoom has larger optics so is more expensive. The 70-200 f4 IS is around $1200, the 300mm f4 IS $1400 whilst the 200mm f2 with Image Stabilization is a cool $6000
Question 10 of 10
A little Trivia to finish…..Who is the Patron Saint of Photographers. No cheating.Correct
Wow… You are gifted – I hope it wasn’t the result of Google or BingIncorrect
Don’t be dismayed I didn’t know that either. When Christ fell on his way to the Golgotha, a woman wiped his face with a towel; an image of Christ remained on the towel. This woman was Veronica; this incident is all we really know about her, and the relic has become her symbol ever since. Saint Monica is the Patron Saint of Alchoholism. Saint Lawrence is Patron Saint of Cooks.