Outdoor Photography : Outdoor Photography: Sunny F16 Rule


In this next clip I’m going to talk about
the sunny F16 rule which is a very basic rule of thumb for gauging proper exposure out in
the bright sun. Let’s talk a little bit about the sunny F16 rule which is the basic rule
of thumb for shooting outdoors. What that rule is, is if you’re shooting in bright sunlight
as we are today, the proper exposure at F16, so your aperture is at F16, the proper exposure
is one over your film speed. So if you’re shooting ISO 100 on a sunny day at F16 your
proper exposure is 1/100. Now let’s talk a little bit about generally exposure and how
you get a proper exposure. There’s three things you can play with. One is your aperture or
your f-stop. Two is your film speed or how sensitive your digital sensor is to light,
and three is your shutter speed. All three of those interact to give you the proper exposure.
Let me tell you a little bit about how that works. Think about filling a bucket with water.
The bucket, the size of the bucket is how fast your film is. If it’s a small bucket
your film is fast, it fills up very quickly. The water is the light. If you have a big
bucket, or slow film, you need more water in there to fill it up and get the proper
exposure. So you control it with two things, your f-stop which is your aperture, the hole
in the camera, the bigger the number is the smaller actually the hole is. So it’s like
a small pipe of water. F-stops are a little confusing because the bigger number like F16
or F22 actually means a smaller hole or smaller pipe if we’re thinking about our water analogy.
The bigger number the bigger aperture is actually the smaller number. F4, F2.8 is bigger so
imagine a bigger hose getting more water into your bucket. So you either have a big aperture,
2.8, or a small aperture let’s say F16 or F22, and that controls how much water, or
light, is going into your film or your bucket. And then finally, is the film speed, or the
shutter speed excuse me, if you’re shooting at one-thirtieth of a second or one-two hundredth,
that also is the amount of time you’re allowing the light or water to go onto the film. And
that is generally the relationship between aperture, film speed, and shutter speed.

17 Replies to “Outdoor Photography : Outdoor Photography: Sunny F16 Rule”

  1. @Danieloncarevic
    Listen to him. He's no saying that 1/100sec is a good speed to shoot with.
    He's saysing that if you choose f16 on a sunny day you'll have to choose 1/ISO
    as shutterspeed to get a proper expose. Rule of thumb. 😉

  2. nooo…not when u wanna throw your background OOF…depth of field doesnt apply here..besides, in a digital world, computer can control ur exposure for u..safe side, stop down an exposure on two on really harsh light..

  3. @Danieloncarevic

    You have a larger d.o.f. at f16. Sure, MOST lenses have their "sweet" spot at around f/8 in terms of maximum sharpness, but you won't have as much depth of field so not everything will be in focus— and therefore not sharp.

    I assume you get that– as your aperture (f-stop) becomes smaller your d.o.f. decreases. If you are assuming that you can reduce blurriness by shooting at 1/400 instead of 1/100 then you may be right depending on the conditions and how steady you are.

  4. @pporter1 true, but you might want that huge d.o.f.— That small difference usually doesn't come across except in huge prints or when pixel-peeping on a computer monitor.

  5. @ShootingAugust

    Well crop sensors are sharper than fullframes

    But fullframe is better at high iso.

    But my favorite is still medium format 😀

  6. @ShootingAugust

    Im talking about the lenses.

    It's sharper with smaller sensors because the sharpest spot of the lens is taking only the sharp spot.

    While the fullframe show more so it's not as sharp everywhere.

    but i still prefer full frames. (and medium format)

  7. ok, you tried. Your info is correct, but you just couldn't get it out………too confusing for a rookie.
    Good try though.

  8. a 2 minute video that could have been explained in 20 seconds. Informative for those unfamiliar with the exposure triangle

  9. Even though I knew this, it's nice to FINALLY see a video CLEARLY teaching this. Thank you for uploading this video @expertvillage

  10. Three things? Don't you mean 4? You missed out filters which can reduce exposure by what ever stop value you use. (ND).

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