100:00:00,000 --> 00:00:04,700we ta

1
00:00:00,000 --> 00:00:04,700
we talked about how to read and adjust
your settings based on a light meter but

2
00:00:04,700 --> 00:00:08,630
what exactly is the light meter using to
get its reading and this is where we

3
00:00:08,630 --> 00:00:13,170
jump into metering modes the metering
mode is essentially what the camera is

4
00:00:13,170 --> 00:00:17,660
looking at in the scene to give you a
certain reading on that light meter now

5
00:00:17,660 --> 00:00:21,529
one of the most is known as basically
averaging ok so averaging is where the

6
00:00:21,529 --> 00:00:25,970
camera takes all of the bright and dark
valleys of a scene and just imagine that

7
00:00:25,970 --> 00:00:29,500
scene is being presented thus a black
and white it takes the brightest value

8
00:00:29,500 --> 00:00:34,290
to take the darkest valleys and averages
everything together now based on say the

9
00:00:34,290 --> 00:00:37,760
majority of images that are captured
camera makers have come out to say

10
00:00:37,760 --> 00:00:42,950
essentially a scene on average should be
some around 18% great if we balance out

11
00:00:42,950 --> 00:00:45,989
all the whites and all the blacks we get
somewhere to that little middle grade

12
00:00:45,989 --> 00:00:49,960
point this is what the camera when
averaging considers is a technically

13
00:00:49,960 --> 00:00:54,309
correct exposure now the problem that is
after shooting a scene as very bright

14
00:00:54,309 --> 00:00:58,160
say on the beach its gonna give you a
very bright reading the camera might

15
00:00:58,160 --> 00:01:00,989
tell you that it's over exposed when in
reality you're just shooting a bright

16
00:01:00,989 --> 00:01:04,659
seen likewise if you're shooting a dark
scenes say someone is wearing a dark

17
00:01:04,659 --> 00:01:09,700
suit well the suit itself is darker than
18% gray and so again the cameras gonna

18
00:01:09,700 --> 00:01:12,240
give you a funky reading is gonna say
that is underexposed when in reality

19
00:01:12,240 --> 00:01:16,580
it's just a dark suit so this is
averaging is doing is taking everything

20
00:01:16,580 --> 00:01:19,820
in the scene and is averaging in
together to figure out whether the scene

21
00:01:19,820 --> 00:01:23,640
is correctly exposed if it is we know
that our light meter pops right into

22
00:01:23,640 --> 00:01:26,970
that zero point are right where that
middle arrow is in the center of the

23
00:01:26,970 --> 00:01:31,070
light meter another way of meeting is
basically partial metering and partial

24
00:01:31,070 --> 00:01:35,640
metering essentially is going to take a
certain partial area of our scene and

25
00:01:35,640 --> 00:01:39,409
it's only going to consider the overall
explosion that one little area now

26
00:01:39,409 --> 00:01:42,829
partial metering could be safe spot
metering which we've used a lot in spot

27
00:01:42,829 --> 00:01:48,689
metering is just using that tiny center
point that small 32 45 percent area of

28
00:01:48,689 --> 00:01:53,210
the image and every care maker it does
very little bit but it only read the

29
00:01:53,210 --> 00:01:57,329
exposure that tiny little area so
whatever that spot meter is over at the

30
00:01:57,329 --> 00:02:01,000
time that's where the reading is gonna
come from if the spot meters over a

31
00:02:01,000 --> 00:02:04,200
braai area that's what it's going to be
if it's over skin which we've been using

32
00:02:04,200 --> 00:02:08,849
a lot will your meeting then over skin
so partial metering is only metering off

33
00:02:08,849 --> 00:02:09,840
of one

34
00:02:09,840 --> 00:02:14,310
mall area some cameras do allow you to
actually move the area based on the auto

35
00:02:14,310 --> 00:02:18,590
focus point some cameras don't the rebel
does not actually my by the mark he

36
00:02:18,590 --> 00:02:22,099
doesn't either I think it's always
centered based on that center AF point

37
00:02:22,099 --> 00:02:26,400
when you're using the spot meter ok so
we have averaging and we have partial

38
00:02:26,400 --> 00:02:30,769
metering what about the next then third
primary way of measuring what we call it

39
00:02:30,769 --> 00:02:34,849
basically a multi zone metering system
in this is essentially where the camera

40
00:02:34,849 --> 00:02:38,920
itself will break apart in a tire seen
it might break it into four pieces might

41
00:02:38,920 --> 00:02:43,269
be 16 pieces that could be thousands of
pieces but this is known as evaluative

42
00:02:43,269 --> 00:02:47,349
or matrix metering on different cameras
and what is doing is a breaking the seal

43
00:02:47,349 --> 00:02:51,390
up in all these different zone is
running this complex algorithm that is

44
00:02:51,390 --> 00:02:54,959
essentially based on every single
cameras so we don't really know what

45
00:02:54,959 --> 00:02:58,829
it's doing Canon cameras they do a
certain thing rebels are I'm sorry Sony

46
00:02:58,829 --> 00:03:01,890
cameras they do certain things icons do
a certain thing Panasonic that certain

47
00:03:01,890 --> 00:03:06,959
thing all of these evaluative metering
systems are all different depending on

48
00:03:06,959 --> 00:03:11,019
the manufacture because of that we
really don't know what they're doing now

49
00:03:11,019 --> 00:03:14,959
oftentimes they get the right exposure
but oftentimes they don't in particular

50
00:03:14,959 --> 00:03:19,380
when you're basically using a type of
senior composing your scene with saying

51
00:03:19,380 --> 00:03:24,410
off-center type composition it doesn't
expect that so the zone metering systems

52
00:03:24,410 --> 00:03:28,599
are our little bit kind of difficult to
use I'd recommend using or at least

53
00:03:28,599 --> 00:03:32,630
avoiding them for the most part the
reason is that with these different zone

54
00:03:32,630 --> 00:03:36,829
or multi-zone type metering systems we
don't know what it's doing you'll never

55
00:03:36,829 --> 00:03:40,010
understand exactly what the camera doing
because these are all proprietary for

56
00:03:40,010 --> 00:03:44,079
each camera maker and each brand ok so
what we would stick to typically is

57
00:03:44,079 --> 00:03:47,870
going to be some sort of averaging or
partial metering system and I'm going to

58
00:03:47,870 --> 00:03:51,410
show you now come in between so let's go
ahead and I'm gonna bring up my little

59
00:03:51,410 --> 00:03:55,120
dialogue here on the back of its gonna
take you to bring it up and we can hit

60
00:03:55,120 --> 00:03:58,060
this little meeting but I love touch
screens are gonna go ahead and touch it

61
00:03:58,060 --> 00:04:02,169
and get it all done with my fingers so
right now it's an evaluative now this is

62
00:04:02,169 --> 00:04:05,519
that multi-zone metering system for
Canon they referred to as a palliative

63
00:04:05,519 --> 00:04:09,780
Nikon called there's matrix everybody
call it something different next we have

64
00:04:09,780 --> 00:04:13,829
partial metering on this camera now this
is basically give us a select areas only

65
00:04:13,829 --> 00:04:16,780
in a red light from that area but
typically again because I don't know

66
00:04:16,780 --> 00:04:20,829
exactly where it's reading I prefer
something like the spot meter which is

67
00:04:20,829 --> 00:04:22,980
going to be the next ones let's go ahead
and go to the spot meter

68
00:04:22,980 --> 00:04:27,620
with the spot meter it's only using that
very specific center area that three to

69
00:04:27,620 --> 00:04:31,320
five percent area and this makes it
absolutely beautiful force a metering

70
00:04:31,320 --> 00:04:35,630
skin tones on a portrait for meetings
this guy anything in particular

71
00:04:35,630 --> 00:04:39,040
okay and then finally let me go and
bring that back up again we have center

72
00:04:39,040 --> 00:04:41,960
weighted average now it's kind of a
mixture center weighted average of 10

73
00:04:41,960 --> 00:04:46,400
we've kind of set as a really in between
one we're using averaging workspace

74
00:04:46,400 --> 00:04:49,900
gonna averaged out the entire scene but
center weighted means that is gonna give

75
00:04:49,900 --> 00:04:53,860
more preference or more weight to the
center area the image so it's kinda like

76
00:04:53,860 --> 00:04:58,830
mixing partial and averaging now the two
that I use most when I'm shooting is

77
00:04:58,830 --> 00:05:02,130
basically spot metering if I'm shooting
a scene where have complete control over

78
00:05:02,130 --> 00:05:05,630
the scene like for example this one I
always do spot metering because it

結果 (中文) 1:

100:00:00，000--> 00:00:04，700我们谈到如何阅读和调整您的设置基于测光，但200:00:04，700--> 00:00:08，630到底测光表使用什么对得到其读数，而这就是我们300:00:08，630--> 00:00:13，170跳进计量模式的计量模式是本质上的相机是什么400:00:13，170--> 00:00:17，660在现场，给你看现在，测光表一定阅读500:00:17，660--> 00:00:21，529其中最出名基本上所以平均就是好的平均600:00:21，529--> 00:00:25，970相机都是光明和黑暗山谷的一幕，只是想象，700:00:25，970--> 00:00:29，500现场正在提出因此黑白花最亮的值800:00:29，500--> 00:00:34，290采取最黑暗的山谷和平均值一切在一起现在基于说900:00:34，290--> 00:00:37，760多数被捕获的图片相机制造商已经出来说1000:00:37，760--> 00:00:42，950基本上是一个平均的场景应该是伟大的如果我们平衡一些大约 18%1100:00:42，950--> 00:00:45，989所有白人与我们得到的所有黑人在某个地方到那小小的中档1200:00:45，989--> 00:00:49，960这是什么相机点时平均认为是技术上1300:00:49，960--> 00:00:54，309正确的曝光，现在的问题是后拍摄场景一样很明亮1400:00:54,309 --> 00:00:58,160say on the beach its gonna give you avery bright reading the camera might1500:00:58,160 --> 00:01:00,989tell you that it's over exposed when inreality you're just shooting a bright1600:01:00,989 --> 00:01:04,659seen likewise if you're shooting a darkscenes say someone is wearing a dark1700:01:04,659 --> 00:01:09,700suit well the suit itself is darker than18% gray and so again the cameras gonna1800:01:09,700 --> 00:01:12,240give you a funky reading is gonna saythat is underexposed when in reality1900:01:12,240 --> 00:01:16,580it's just a dark suit so this isaveraging is doing is taking everything2000:01:16,580 --> 00:01:19,820in the scene and is averaging intogether to figure out whether the scene2100:01:19,820 --> 00:01:23,640is correctly exposed if it is we knowthat our light meter pops right into2200:01:23,640 --> 00:01:26,970that zero point are right where thatmiddle arrow is in the center of the2300:01:26,970 --> 00:01:31,070light meter another way of meeting isbasically partial metering and partial2400:01:31,070 --> 00:01:35,640metering essentially is going to take acertain partial area of our scene and2500:01:35,640 --> 00:01:39,409it's only going to consider the overallexplosion that one little area now2600:01:39,409 --> 00:01:42,829partial metering could be safe spotmetering which we've used a lot in spot2700:01:42，829--> 00:01:48，689计量只用那小小的中心点那个小 32 45%面积2800:01:48，689--> 00:01:53，210图像和它每个护理制造商很少一点，但这只能读取2900:01:53，210--> 00:01:57，329曝光小小区域所以不管那点测光是结束在3000:01:57，329--> 00:02:01，000阅读是去那儿去的时间来自如果现场米余3100:02:01，000--> 00:02:04，200等地区，是它会做什么如果它是在我们一直在使用的皮肤3200:02:04，200--> 00:02:08，849很多在皮肤，然后将您的会议所以部分计量只计量关闭3300:02:08，849--> 00:02:09，840之一3400:02:09，840--> 00:02:14，310有些相机做到让您的商城地区实际上移动基于汽车的面积3500:02:14，310--> 00:02:18，590重点指出一些相机不反叛并不是在我由标记他3600:02:18，590--> 00:02:22，099也不喜欢她这是永远为中心的基础，中心 AF 点3700:02:22，099--> 00:02:26，400当您使用点测光好所以我们有平均，我们有部分3800:02:26，400--> 00:02:30，769计量什么关于下一步然后第三主要方式的测量我们叫它什么3900:02:30，769--> 00:02:34，849基本上一个多区测光系统这在本质上是在相机4000:02:34，849--> 00:02:38，920本身会掰开在看到轮胎它可能分成四块可能4100:02:38，920--> 00:02:43，269有可能是成千上万的 16 件件，但这是已知为评价4200:02:43，269--> 00:02:47，349或矩阵计量不同的相机上在做什么是破封印4300:02:47，349--> 00:02:51，390在所有这些不同的区域是运行这个复杂的算法，该算法4400:02:51，390--> 00:02:54，959本质上基于每个单所以我们真的不知道什么相机4500:02:54，959--> 00:02:58，829它做他们做的佳能相机某些事叛军是我对不起索尼4600:02:58，829--> 00:03:01，890他们做某些事情图标的相机做某一件事，某些松下4700:03:01，890--> 00:03:06，959所有的事情的这些评价计量系统是根据所有不同4800:03:06，959--> 00:03:11，019因此，制造我们真的不知道他们现在在做什么4900:03:11 019--> 00:03:14，959很多时候他们得到正确的曝光但很多时候他们不特别5000:03:14，959--> 00:03:19，380当使用基本类型的高级作曲你说的场景5100:03:19，380--> 00:03:24，410它不会偏离中心类型组成期待这样的区域计量系统5200:03:24，410--> 00:03:28，599问题是我们一点点的难我会推荐使用的使用或至少5300:03:28，599--> 00:03:32，630避免他们中的大多数原因是，这些不同的区5400:03:32，630--> 00:03:36，829或多区域类型计量系统我们不知道它干什么你永远5500:03:36，829--> 00:03:40，010了解到底什么相机做因为这些都是所有专有技术5600:03:40，010--> 00:03:44，079每个相机制造商和每个品牌好就我们将通常坚持什么是5700:03:44，079--> 00:03:47，870你应该怎么做某种形式的平均或局部测光系统和我要去5800:03:47，870--> 00:03:51，410你现在来到我们中间的显示所以吧今后，我要去把我的小5900:03:51，410--> 00:03:55，120其去背面的对话带你去把它发泄出来，我们可以打6000:03:55，120--> 00:03:58，060这小小的会议，但爱的触摸屏幕正在往前走，碰它6100:03:58，060--> 00:04:02，169然后它所以用我的手指所做的一切现在就是评价的现在这是6200:04:02，169--> 00:04:05，519为那多区测光系统他们被称为姑息的佳能6300:04:05，519--> 00:04:09，780尼康称在那边是矩阵每个人称它为不同的东西下一步我们有6400:04:09，780--> 00:04:13，829这架相机现在计量这部分基本上是给我们仅选择区域6500:04:13，829--> 00:04:16，780在从该地区的红光，但通常又因为我不知道6600:04:16，780--> 00:04:20，829到底在哪里它阅读，我更喜欢就像现场仪表，是6700:04:20，829--> 00:04:22，980要成为下一个吧然后到现场仪表6800:04:22，980--> 00:04:27，620与现场仪表它只使用，到那三个非常具体的中心地区6900:04:27，620--> 00:04:31，3205%的地区，这使得它计量的绝对美丽力量7000:04:31，320--> 00:04:35，630皮肤色调为会议的肖像这家伙什么特别7100:04:35，630--> 00:04:39，040好了，然后最后让我走，带背起来，再一次我们有中心7200:04:39，040--> 00:04:41，960加权平均，现在真是太好混合料中心加权的平均为 107300:04:41，960--> 00:04:46，400我们已经设置为种真的在这两者之间一个我们使用平均工作区7400:04:46，400--> 00:04:49，900去平均出整个场面，但中心加权的意味着要给7500:04:49，900--> 00:04:53，860更多优惠或到更多的重量中心区的形象，所以这有点像7600:04:53，860--> 00:04:58，830混合偏和现在平均两个我用大多数时我拍的是7700:04:58，830--> 00:05:02，130基本上现场计量如果我拍现场在哪里可以完全控制7800:05:02，130--> 00:05:05，630我举个例子这一场景总是做现场计量因为它

結果 (中文) 3:

1
00:00: 00000——> 00:00:04700
我们谈到了如何阅读和调整
设置基于曝光表，但

2
00:00:04700——> 00:00:08630
到底什么是测光表使用
得到阅读，这是我们

3
00:00:08630——> 00:00:13170
跳进计量方式计量
模式本质上是什么相机

4
00:00:13170——> 00:00:17660
在现场给你一个
一定阅读光表现在

5
00:00:17660——> 00:00:21529
最被称为基本
平均好，平均在6


00:00:21529——> 00:00:25970
相机都是一个场景的光明和黑暗的
山谷想象一下，

7
00:00:25970——> 00:00:29500
场景是这样一个黑色的
白以亮的价值

8
00:00:29500——> 00:00:34290
把黑暗的山谷和平均
一起基于一切说

9
00:00:34290——> 00:00:37760
大部分被捕获的
相机厂商出来说

10
00:00:37760——> 00:00:42950
本质上平均一个场景如果我们平衡

11
00:00:42950是
一些大约18%杰出的——> 00图像：00:45989
所有白人和黑人都得到
地方小中年级

12
00:00:45989——> 00:00:49960
点这是什么时候
平均认为相机是一个技术上的

13
00:00:49960——> 00:00:54309
正确的曝光，现在是
拍摄的场景后，非常聪明的

14
00:00:54309——> 00:00:58160
说海滩上会给你一个
问题非常明亮的阅读相机可能

15
00:00:58160——> 00:01:00989
告诉你这是过度暴露在
现实你只是拍摄明亮的

16
00:01:00989——> 00:01:04659
看到同样的如果你拍摄一个场景的黑暗
说某人穿深色

17
00:01:04659——> 00:01:09700
西服套装本身比
18%灰色再次相机会

18
00:01:09700——> 00暗：01:12240
给你一个时髦的阅读会说
，曝光不足时，在现实中

19
00:01:12240——> 00:01:16580
只是一套深色的西装，这是
平均是做一切

20
00:01:16580——> 00:01:19820
场景中，平均
一起弄清楚现场

21
00:01:19820——> 00:01:23640
正确曝光，如果我们知道
我们会为

正确测光表22
00:01:23640——> 00:01:26970
零点是正确的，那
中箭的

23
00:01:26970中心——> 00:01:31070
测光表的另一种方式的会议
基本部分计量部分

24
00:01:31070——> 00:01:35640
计量基本上要
某些局部区域的场景，

25
00:01:35640——> 00:01:39，409
它只会考虑整体
爆炸这一小小的地区现在

26
00:01:39409——> 00:01:42829
局部测光可以安全的地方
计量我们已经用了很多现场

27
00:01:42829——> 00:01:48689
计量是利用微小的中心点，
小32百分之45面积28


00:01:48689——> 00:01:53210
图像和每一个护理者也
很小很小但它只是读

29
00:01:53210——> 00:01:57329
曝光，小面积，
无论现货表是在

30
00:01:57329——> 00:02:01000
时间，阅读会
来自如果现场仪表在

31
00:02:01000——> 00:02:04200
braai区，就是要
如果超过皮肤，我们一直在使用

32
00:02:04200——> 00:02:08，849
很多会你会在皮肤
部分计量是计量了

33
00:02:08849——> 00:02:09840
一

34
00:02:09840——> 00:02:14310
商城地区一些相机允许你
实际上移动基于汽车

35
00:02:14310——> 00:02:18590
焦点有些相机不反叛
实际上没有我的标记他

36
00:02:18590——> 00:02:22099
面积不我想它总是
中心基于自动对焦中心点

37
00:02:22099——> 00:02:26400
当你使用点测光可以这么
我们平均有38部分


00:02:26400——> 00:02:30769
计量对未来第三
主要方式的测量我们叫它

39
00:02:30769——> 00:02:34849
基本多区测光系统
这基本上是在相机

40
00:02:34849——> 00:02:38920
本身将打破在一个轮胎看到
可能打破成四片可能

41
00:02:38920——> 00:02:43269
是16件，可能是成千上万的
件但这称为评价

42
00:02:43269——> 00:02:47349
或矩阵测光不同相机
和什么是破坏密封

43
00:02:47，349——> 00:02:51390
在所有这些不同的区域
运行复杂的算法，

44
00:02:51390——> 00:02:54959
本质上是基于每一个
相机，所以我们真的不知道

45
00:02:54959——> 00:02:58829
做佳能相机他们做某些事情
叛军对不起，索尼

46
00:02:58829——> 00:03:01890
相机他们做某些事情做
图标一件事，一定
松下
47
00:03:01890——> 00:03:06959
事所有这些评价测光
系统都是不同

48
00:03:06959——> 00:03:11019
制造因为我们
真不知道他们现在在做什么

49
00:03:11019——> 00:03:14959
通常他们得到正确的曝光
但通常他们不特别

50
00:03:14959——> 00：03:19380
当你基本上是在使用一种高级构成你的场景
说

51
00:03:19380——> 00:03:24410
偏心式作文不
预计，所以带计量系统

52
00:03:24410——> 00:03:28599
是我们有点难
使用我推荐使用或者至少

53
00:03:28599——> 00:03:32630
回避他们的大部分
原因是，这些不同的区域

54
00:03:32630——> 00:03:36829
或多带式计量系统我们
不知道它在做什么，你永远不会

55
00:03:36829——> 00:03:40010
明白相机做
因为这些都是专有的

56
00:03:40010——> 00:03:44079
每个相机制造商和各品牌好
我们将坚持

通常是57
00:03:44，079——> 00:03:47870
将某种平均或
局部测光系统，我要

58
00:03:47870——> 00:03:51410
显示你现在在让我们去
吧，我要把我的小

59
00:03:51410——> 00:03:55120
对话在这里它会
回来带你去把它和我们可以打

60
00:03:55120——> 00:03:58060
这个小小的会议，但我喜欢触摸
屏幕会去触摸它

61
00:03:58060——> 00:04:02169
和搞定我的手指是那么
现在评价这是

62
00:04:02169——> 00:04:05519
，
佳能他们称为姑息性

63
00:04:05519——> 00:04:09780
尼康称有人称它为不同的东西
矩阵下我们

64
00:04:09多区测光系统，780——> 00:04:13829
局部测光在相机现在
基本上是给我们一个选择区域

65
00:04:13829——> 00:04:16780
在红色的光从该地区但
通常又因为我不知道

66
00:04:16780——> 00:04:20829
哪里是读我喜欢的东西
如现场仪表的

67
00:04:20829——> 00:04:22980
要下一次吧
去现场仪表

68
00:04:22980——> 00:04:27620
与现场仪表的使用，
非常具体的中心地区，三至69


00:04:27620——> 00:04:31320
百分之五面积，这使得它
绝对美力计量

70
00:04:31320——> 00:04:35630
肤色在肖像会议
这家伙什么特别

71
00:04:35630——> 00:04:39040
好吧，最后让我去
带回来了我们中心

72
00:04:39040——> 00:04:41960
加权平均现在是一个
混合中心加权平均数的10

73
00:04:41960种——> 00:04:46400
我们设置为真
之间我们用平均工作区

74
00:04:46400——> 00:04:49900
会平均整个场景，但
类中心加权意味着会给

75
00:04:49900——> 00:04:53860
更偏好或更重的
中心区域的图像，所以这有点像

76
00:04:53860——> 00:04:58830
混合偏平均现在两
我使用最多的当我拍摄

77
00:04:58830——> 00:05:02130
基本点测光如果我拍摄一个场景，在


78
00:05:02完全控制，130——> 00:05:05630
现场一样，例如这一个我
总是做点测光，因为它