How to take a great picture - Carolina Molinari

141,236 views ใƒป 2013-07-29

TED-Ed


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: John Chung ๊ฒ€ํ† : June Lee
00:08
Hmmm, that's not what we want, is it?
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ํ .. ์ด๊ฑด ์šฐ๋ฆฌ๊ฐ€ ์›ํ•˜๋Š” ์‚ฌ์ง„์ด ์•„๋‹ˆ์ฃ ?
00:11
Today's digital cameras do a lot for us,
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์š”์ฆ˜์˜ ๋””์ง€ํ„ธ ์นด๋ฉ”๋ผ๋Š” ๊ธฐ๋Šฅ์ด ๋‹ค์–‘ํ•ฉ๋‹ˆ๋‹ค
00:13
but there's no replacement for the human eye.
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ํ•˜์ง€๋งŒ ์ธ๊ฐ„์˜ ๋ˆˆ์„ ๋Œ€์ฒดํ•  ๋งŒํ•œ ๊ฒƒ์€ ์—†์Šต๋‹ˆ๋‹ค.
00:16
It's important to learn
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์นด๋ฉ”๋ผ๊ฐ€ ์ด๋ฏธ์ง€๋ฅผ ๋งŒ๋“ค ๋•Œ
00:17
how cameras work with light to create an image,
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๋น›๊ณผ ์–ด๋–ป๊ฒŒ ์ž‘์šฉํ•˜๋Š”์ง€ ์•„๋Š” ๊ฒƒ์€ ์ค‘์š”ํ•ฉ๋‹ˆ๋‹ค.
00:19
that way we'll know what's going on
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๊ทธ๋Ÿฌ๋ฉด ์‚ฌ์ง„์„ ์ฐ์–ด์•ผ ํ•  ์ˆœ๊ฐ„์ด ์™”์„ ๋•Œ
00:21
when it's time to capture a moment.
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์–ด๋–ป๊ฒŒ ํ•ด์•ผ ํ• ์ง€๋ฅผ ์•Œ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
00:23
There are three variables
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์‚ฌ์ง„์„ ์ฐ์„ ๋•Œ
00:25
that determine if you're getting the right amount of light
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๋น›์˜ ์–‘์ด ์ ์ ˆํ•œ์ง€๋ฅผ ๊ฒฐ์ •์ง“๋Š”
00:27
for the correct exposure.
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์„ธ ๊ฐ€์ง€ ๋ณ€์ˆ˜๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
00:29
With a manual camera,
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์ˆ˜๋™ ์นด๋ฉ”๋ผ์˜ ๊ฒฝ์šฐ,
00:30
we're able to change any of the variable ourselves.
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์šฐ๋ฆฌ๊ฐ€ ์ง์ ‘ ๋ณ€์ˆ˜๋ฅผ ์กฐ์ ˆํ•  ์ˆ˜๋„ ์žˆ์ฃ .
00:33
Different settings can result in really different pictures.
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๋‹ค๋ฅธ ์กฐ์ •๊ฐ’์„ ํƒํ•˜๋ฉด ์ „ํ˜€ ๋‹ค๋ฅธ ์‚ฌ์ง„์„ ์ฐ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
00:36
Let's look at the process together.
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์ž, ๊ทธ๋Ÿผ ์‚ฌ์ง„ ์ฐ๋Š” ๊ณผ์ •์„ ํ•จ๊ป˜ ์‚ดํŽด๋ด…์‹œ๋‹ค.
00:39
First, see this here?
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๋จผ์ €, ์—ฌ๊ธฐ ๋ณด์ด์‹ญ๋‹ˆ๊นŒ?
00:41
This is the aperture.
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์นด๋ฉ”๋ผ์˜ ์กฐ๋ฆฌ๊ฐœ์ž…๋‹ˆ๋‹ค.
00:42
It's the hole that light passes through.
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๋น›์ด ํ†ต๊ณผํ•˜๋Š” ๊ตฌ๋ฉ์ด์ฃ 
00:45
If we make the aperture big,
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์กฐ๋ฆฌ๊ฐœ๋ฅผ ํฌ๊ฒŒ ์—ด๋ฉด
00:46
we'll have more light, true,
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๋น›์ด ๋” ๋งŽ์ด ํ†ต๊ณผํ•ฉ๋‹ˆ๋‹ค
00:48
but the sharpness of your photo will decrease
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ํ•˜์ง€๋งŒ ์ดˆ์ ์—์„œ ๋ฉ€์–ด์งˆ์ˆ˜๋ก ์‚ฌ์ง„์˜ ์„ ๋ช…๋„๊ฐ€
00:50
very quickly from your focus point,
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๊ธ‰๊ฒฉํžˆ ๋–จ์–ด์ง€๊ฒ ์ฃ .
00:52
backward and forward.
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์ดˆ์  ์•ž๊ณผ ๋’ค์ชฝ ๋ชจ๋‘์—์„œ์š”.
00:53
This is what we call shallow depth of field.
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์ด๊ฒƒ์„ ์–•์€ ํ”ผ์‚ฌ๊ณ„ ์‹ฌ๋„๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค.
00:56
If we have a very small aperture,
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์กฐ๋ฆฌ๊ฐœ๋ฅผ ์กฐ๊ธˆ ์—ด๋ฉด
00:58
we'll have less light but a deeper depth of field.
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๋น›์˜ ์–‘์ด ์ ์–ด์„œ ๋” ๊นŠ์€ ํ”ผ์‚ฌ๊ณ„ ์‹ฌ๋„๋ฅผ ๊ฐ€์ง€๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
01:01
For portraits, it can be nice to have a sharp figure
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์ธ๋ฌผ ์‚ฌ์ง„์˜ ๊ฒฝ์šฐ, ์ธ๋ฌผ์ด ์„ ๋ช…ํ•˜๊ฒŒ ๋‚˜์˜ค๊ณ 
01:03
separate from a somewhat blurry background
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๋ฐฐ๊ฒฝ์€ ์กฐ๊ธˆ ํ๋ฆฐ ๊ฒƒ์ด ์ข‹๊ธฐ ๋•Œ๋ฌธ์—
01:05
so I would suggest a large aperture.
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์กฐ๋ฆฌ๊ฐœ๋ฅผ ํฌ๊ฒŒ ์—ฌ๋Š” ๊ฒƒ์„ ์ถ”์ฒœํ•ฉ๋‹ˆ๋‹ค.
01:08
Aperture is measured in f-stops.
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์กฐ๋ฆฌ๊ฐœ๋Š” f ์Šคํ†ฑ์œผ๋กœ ์ธก์ •๋ฉ๋‹ˆ๋‹ค.
01:10
This can get a little confusing
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์—ฌ๊ธฐ์„œ ์—ฌ๋Ÿฌ๋ถ„๋“ค์ด ์ข€ ํ—ท๊ฐˆ๋ฆด ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
01:12
because lower numbers mean bigger apertures
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๋‚ฎ์€ ์ˆซ์ž๋Š” ์กฐ๋ฆฌ๊ฐœ๋ฅผ ํฌ๊ฒŒ ์—ฌ๋Š” ๊ฒƒ์ด๊ณ ,
01:14
and higher numbers mean smaller apertures.
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๋†’์€ ์ˆซ์ž๋Š” ์กฐ๋ฆฌ๊ฐœ๋ฅผ ์ž‘๊ฒŒ ์—ฌ๋Š” ๊ฒƒ์ด๊ธฐ ๋•Œ๋ฌธ์ด์ฃ .
01:17
Next, there's shutter speed to think about.
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๋‹ค์Œ์œผ๋กœ ์นด๋ฉ”๋ผ์˜ ์…”ํ„ฐ ์Šคํ”ผ๋“œ๋„ ๊ณ ๋ คํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
01:20
The shutter acts like a curtain
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์…”ํ„ฐ๋Š” ํ™”์ƒ ๊ฐ์ง€๊ธฐ๋ฅผ ๊ฐ€๋ ค์ฃผ๋Š”
01:21
that covers the sensor,
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์ปคํŠผ ๊ฐ™์€ ์—ญํ• ์„ ํ•˜๋Š”๋ฐ์š”,
01:23
and it only opens when you release the shutter button.
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์…”ํ„ฐ ๋ฒ„ํŠผ์„ ๋ˆ„๋ฅผ ๋•Œ์—๋งŒ ์—ด๋ฆฝ๋‹ˆ๋‹ค.
01:26
If we want less light,
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์ ์€ ์–‘์˜ ๋น›์„ ์›ํ•œ๋‹ค๋ฉด
01:27
we open the shutter for a shorter time.
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์…”ํ„ฐ๋ฅผ ์งง์€ ์‹œ๊ฐ„ ๋™์•ˆ ์—ด์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
01:30
If we want more light,
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๋ฐ˜๋Œ€๋กœ ๋งŽ์€ ์–‘์˜ ๋น›์„ ์›ํ•œ๋‹ค๋ฉด
01:31
we open it for a longer time,
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์…”ํ„ฐ๋ฅผ ๊ธธ๊ฒŒ ์—ด์–ด๋‘ฌ์•ผ ํ•ฉ๋‹ˆ๋‹ค.
01:32
but we run the risk of getting
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ํ•˜์ง€๋งŒ ์ด ๊ฒฝ์šฐ ํ๋ฆฟํ•œ ์‚ฌ์ง„์ด ๋‚˜์˜ฌ ์ˆ˜ ์žˆ๋Š”
01:34
a motion-blurred picture.
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์œ„ํ—˜์„ ๊ฐ์ˆ˜ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
01:36
The speed is measured in seconds
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์†๋„๋Š” ์ดˆ ๋‹จ์œ„๋กœ ์ธก์ •๋ฉ๋‹ˆ๋‹ค.
01:37
and fractions of seconds.
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๊ทธ๊ฒƒ๋„ ๋ช‡ ๋ถ„์˜ ๋ช‡ ์ดˆ ๋ง์ด์ฃ .
01:40
For shooting sports or anything with a lot of movement,
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์Šคํฌ์ธ  ํ™œ๋™ ๊ฐ™์ด ์›€์ง์ž„์ด ๋งŽ์€ ์žฅ๋ฉด์„ ์ฐ์„ ๋•Œ์—๋Š”
01:43
we'll need faster speeds.
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๋น ๋ฅธ ์…”ํ„ฐ ์†๋„๋กœ ๋งž์ถ”์–ด ๋†“์Šต๋‹ˆ๋‹ค.
01:45
For taking awesome night landscapes,
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๊ทผ์‚ฌํ•œ ์•ผ๊ฐ„ ๊ฒฝ๊ด€์„ ์ฐ๊ธฐ ์œ„ํ•ด์„œ๋Š”,
01:46
longer exposures will be better,
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๋…ธ์ถœ์„ ๊ธธ๊ฒŒ ํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค.
01:48
but we'll need a tripod to steady the shot
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์ด๋•Œ ํ๋ฆฌ๊ฒŒ ๋‚˜์˜ค๋Š” ๊ฒƒ์„ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด
01:50
and prevent motion blur.
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์‚ผ๊ฐ๋Œ€๋ฅผ ์ค€๋น„ํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค.
01:52
Another cool thing we can do with light exposures
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๋น›์˜ ๋…ธ์ถœ์„ ํ™œ์šฉํ•˜์—ฌ ๋ฉ‹์ง„ ์—ฐ์ถœ์„ ํ•  ์ˆ˜ ์žˆ๋Š”๋ฐ
01:54
is light painting,
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๋ฐ”๋กœ ๋ถˆ๋น› ์ž‘ํ’ˆ์ž…๋‹ˆ๋‹ค.
01:56
drawing in the dark with a torch
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์–ด๋‘ ์†์—์„œ ํšƒ๋ถˆ์„ ์ด์šฉํ•ด์„œ ๊ทธ๋ฆผ์„ ๊ทธ๋ฆฌ๋Š” ๊ฒƒ์ด์ฃ .
01:57
or the light of a cell phone.
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ํ•ธ๋“œํฐ ๋ถˆ๋น›์„ ์ด์šฉํ•ด๋„ ๋˜๊ตฌ์š”.
01:59
Lastly, ISO sensitivity controls
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๋งˆ์ง€๋ง‰์œผ๋กœ, ๋น›์— ๋Œ€ํ•œ ๊ฐ๋„ ISO๋Š”
02:02
how sensitive the sensor is to light.
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๋น›์— ๋Œ€ํ•œ ์„ผ์„œ์˜ ๊ฐ๋„๋ฅผ ์กฐ์ ˆํ•ฉ๋‹ˆ๋‹ค.
02:04
If we use low sensitivity,
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๋‚ฎ์€ ๊ฐ๋„๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด
02:06
we'll need more light to register a photo.
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์‚ฌ์ง„์„ ์ฐ๊ธฐ ์œ„ํ•ด ๋” ๋งŽ์€ ๋น›์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
02:09
With a higher sensitivity,
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๋†’์€ ๊ฐ๋„๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด
02:10
we'll be able to get a picture
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๋น›์ด ์ ์€ ์ƒํ™ฉ์—์„œ๋„
02:11
with less available light.
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์„ ๋ช…ํ•œ ์‚ฌ์ง„์„ ์ฐ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
02:13
100 ISO is a low sensitivity,
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ISO 100์€ ์ €๊ฐ๋„์ž…๋‹ˆ๋‹ค.
02:16
while 6400 ISO is a high one.
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ISO 6400์€ ๊ณ ๊ฐ๋„์ฃ .
02:19
If we increase sensitivity,
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๊ฐ๋„๋ฅผ ๋†’์ด๋ฉด
02:21
we'll be able to use faster speeds
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๋†’์€ ์…”ํ„ฐ ์Šคํ”ผ๋“œ๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๊ณ 
02:22
and smaller apertures,
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์กฐ๋ฆฌ๊ฐœ๋ฅผ ์กฐ๊ธˆ๋งŒ ์—ด์–ด๋„ ๋ฉ๋‹ˆ๋‹ค.
02:24
but we'll get noisier images.
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๊ทธ๋Ÿฌ๋‚˜, ์‚ฌ์ง„์ด ๊ฑฐ์น ์–ด์ง‘๋‹ˆ๋‹ค.
02:26
Good thing we have something to tell us
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์ •๋ง ๋‹คํ–‰์ธ ๊ฒƒ์€
02:28
if we're getting the correct amount of light
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์ ๋‹นํ•œ ๋…ธ์ถœ์„ ์œ„ํ•ด ํ•„์š”ํ•œ
02:29
to get a good exposure,
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๋น›์˜ ์–‘์„ ์•Œ๋ ค์ฃผ๋Š”
02:31
the light meter.
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๋น› ์ธก์ •๊ธฐ๊ฐ€ ์žˆ๋‹ค๋Š” ์ ์ž…๋‹ˆ๋‹ค.
02:32
Sound good to you?
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๊ดœ์ฐฎ์ง€ ์•Š์Šต๋‹ˆ๊นŒ?
02:34
Now it's time to get out there
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์ด์ œ ์‹ค์ œ๋กœ ๋ฐ–์— ๋‚˜๊ฐ€์„œ
02:35
and practice taking pictures
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๋‹ค์–‘ํ•œ ํ™˜๊ฒฝ์—์„œ
02:36
under different conditions,
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์‚ฌ์ง„์„ ์ฐ๋Š” ์—ฐ์Šต์„ ํ•ด๋ณด์„ธ์š”.
02:38
so you know what to do
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๊ทธ๋ ‡๊ฒŒ ํ•˜๋ฉด
02:39
any time you want to take the best picture.
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๋ฉ‹์ง„ ์‚ฌ์ง„์„ ์ฐ๊ณ  ์‹ถ์„ ๋•Œ ์–ด๋–ป๊ฒŒ ํ•ด์•ผ ํ•  ์ง€ ํ„ฐ๋“ํ• ํ…Œ๋‹ˆ๊นŒ์š”.
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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