Quiz 1

Don’t be disappointed. You can do better next time! Here is a correct answer:

Only F/11 and F/2 are a full F-stop, F/4.5 is not.

Here is the correct answer:

Remember this:

Aperture is an opening which lets light into the camera. The wider the opening the more light gets into the camera. So aperture controls amount of light which gets into the camera.
It also controls Depth of Field, or how much of the image will be in focus.

Remember this:

You can do better next time. Just remember this:

This will help you to understand:

You still need to learn. Remember the smaller the aperture opening the bigger the F-number.

Remember the bigger the aperture opening the smaller the F-number.

Remember the F-stop with the smallest number has the biggest aperture opening and lets the most amount of light into the camera.
In this case the smallest F-number is F2.8.

Remember, the bigger the F-number, the smaller the aperture opening is and less light gets into the camera.
In this case F/16 is the biggest F-number.

F/1.8 and F/9 are not full F-stops, only F/16 is.

It is true. F/2.8 lets 2 times more light then F/4.
Please watch the video to refresh your memory:

http://youtu.be/VUMKkl8SRyk?t=3m50s

It is false. F/16 actually lets less light then F/11, since F/11 has a bigger aperture opening then F/16. Remember the bigger the F-number, the smaller the opening and the smaller the F-number the bigger the opening.

Please click to watch the video to refresh your memory:

http://youtu.be/VUMKkl8SRyk?t=3m50s

No, it is not what you think! It is Depth of Field.

Please watch this part of the video again:
http://youtu.be/VUMKkl8SRyk?t=6m37s

This might help you to refresh your memory:

Check this out:

The bigger the F-number, the more DoF you get.
F/22 is the biggest F-number, so you get more DoF.

The bigger the F-number, the more DoF you get and more things will be in focus.
In this case F/11 is the biggest F-Number.