e**n
发帖数: 5876 | 1 德国老牌摄影杂志fotoMAGAZIN听说mitbbs上大家对革命机的追焦性能颇有怀疑. 本着是
驴子是马，拉出来遛遛的德国精神, 在8月期刊上做了一个"追焦到底谁最准? 单反革命
机大乱斗"的专题报到:
下面是各家出场选手:
C+单反
1DX
7D
都配70-200mm
N+单反
D4
D7100
都配70-200mm
N+革命机
V2
配10-100mm
O+革命机
em5
配75-300mm
Pa+革命机
G6
配35-100mm
Pe+单反
K5II
配50-135mm
3*+革命机
NX300
配18-200mm
S+单反
A99
A77
都配70-200mm
S+革命机
NEx6
配18-200mm
大乱斗的乱斗条件如下(德文的瞎看, 翻的不对的欢迎指出):
一辆land rover由远及近快速驶来, 各家都用等效200mm焦距, 能支持AF的最高连拍速
度, 用中心对焦点追焦, 对焦在车牌处. 测试场景在这个youtube里:
http://www.youtube.com/watch?v=3fdsxYFW-6Y
为了体现德国人的严谨作风, 这个测试一共重复了6次.
相信很多童鞋已经等不及看结果了, 尤其是关心革命旗舰机EM5到底怎么样? 但不幸的
是, 杯具发生了. EM5出了故障, 被迫出局. 后来fotoMAGAZIN在另一个类似场景进行了
补测, 但是EM5的结果不能横向对比, 只能参考得看看了.
那么结果是什么呢?
第一名
N+ V2 91%准确率 oh yeah.....
第2名
D4 72%
第3名
1Dx 71%
第4名
7D 63%
第5名
G6 57% 很不错嘛
第6名
NX300 56%
第7名
K-5II 48%
第8名
D7100 47%
第9名
A99 33%
第10名
Nex 6 32%
第11名
A77 9% 呵呵
EM5因故障出局, 不同场景补测结果38%
D7100比较杯具
这个是1Dx的结果
想要看原文的童鞋可以在这里下载
http://www.pdfmagaz.in/46260917-foto-magazin-august-2013/ |
p*********r
发帖数: 4593 | 2 I notice 追焦快 on my V1 too, but it just has a smaller sensor. PQ cannot be
compared to cameras with APS-C sensors. V2 is also too expensive. It should
be priced under $500. Otherwise, no one would buy. |
m******t
发帖数: 4077 | 3 所以考虑到价格G6完胜了?
sony全部悲剧？
【在 e**n 的大作中提到】
: 德国老牌摄影杂志fotoMAGAZIN听说mitbbs上大家对革命机的追焦性能颇有怀疑. 本着是
: 驴子是马，拉出来遛遛的德国精神, 在8月期刊上做了一个"追焦到底谁最准? 单反革命
: 机大乱斗"的专题报到:
: 下面是各家出场选手:
: C+单反
: 1DX
: 7D
: 都配70-200mm
: N+单反
: D4
|
R***a
发帖数: 41892 | 4 逗号后面的数字啥意思？
sony那个镜头是中古镜头了。
【在 m******t 的大作中提到】
: 所以考虑到价格G6完胜了?
: sony全部悲剧？
|
m********l
发帖数: 6748 | |
e**n
发帖数: 5876 | 6 现在不清楚的是光圈用的是多少, 景深在这个测试里有多少影响. 德文看不大懂阿..
be
should
【在 p*********r 的大作中提到】
: I notice 追焦快 on my V1 too, but it just has a smaller sensor. PQ cannot be
: compared to cameras with APS-C sensors. V2 is also too expensive. It should
: be priced under $500. Otherwise, no one would buy.
|
e**n
发帖数: 5876 | 7 绝对的. G6对焦处理的频率非常高 "240 fps to minimize the time to focus"
nex6当初吹了半天芯片加上了加相位对焦, 追焦如何如何改善了. 牛皮吹破了
A77就不是杯具而是餐具了
【在 m******t 的大作中提到】
: 所以考虑到价格G6完胜了?
: sony全部悲剧？
|
e**n
发帖数: 5876 | 8 我猜是小数点. 这个值是6次测量的平均值. 中古镜头对对焦速度可能有影响, 但解释
不了9%的准确率..
【在 R***a 的大作中提到】
: 逗号后面的数字啥意思？
: sony那个镜头是中古镜头了。
|
e**n
发帖数: 5876 | 9 丐帮终于扬眉吐气了, 对焦超过了N+ hoho
【在 m********l 的大作中提到】
: D7100杯具了，这个太惊人了，N粉要痛苦了。
|
w********6
发帖数: 12977 | 10 我用 T5i 的新狗头，对我们家正在吃饭，添爪子的猫咪，用 50/1.8， 光圈 2.8 进行
追焦测试，结果很杯具。 |
|
|
k**********s
发帖数: 6409 | 11 对焦方面，松下一直是强项，噢林帕斯一直是弱项。就像Playforever说的，V1/2毫无
意义。Sony吗，如果真是好的话，就天价了。传统单反不能录像是死结，还那么大，只
能是在家里照照后院而已。
目前唯一理想的相机是松下，尤其是还考虑价格、镜头和录像的话。 |
c*****e
发帖数: 601 | 12 谁说的，N粉的执着就是不管外面怎么评测，以自我使用感受为中心。
【在 m********l 的大作中提到】
: D7100杯具了，这个太惊人了，N粉要痛苦了。
|
R***a
发帖数: 41892 | 13 在A77那么高的fps下，显然镜头对焦速度严重影响准确率
【在 e**n 的大作中提到】
: 我猜是小数点. 这个值是6次测量的平均值. 中古镜头对对焦速度可能有影响, 但解释
: 不了9%的准确率..
|
p*********r
发帖数: 4593 | 14 Considering NX300 comes with high quality kit lens and also has APS-C size
sensor. I would say it's good buy if there are deals for this camera. |
p*********r
发帖数: 4593 | 15
From 5th to 8th places, there is only 10% difference. It's not really a big
deal.
D7100 pretty much got all top reviews for APS-C size camera, its average AF
tracking performance is quite disappointed.
【在 m********l 的大作中提到】
: D7100杯具了，这个太惊人了，N粉要痛苦了。
|
p*********r
发帖数: 4593 | 16 Another important data is the number of pictures were taken.
For V2: It says 42.8 sharp and 4.2 blurry.
For NEX-6: 3.5 sharp and 7.5 blurry.
What does 42.8 sharp mean(my question is for the decimal point) ?
Why did V2 take so many pictures, and NEX-6 take so few ?
Does it have something to do with their burst rate with AF tracking spec ?
I remember the NEX-6 burst rate with AF tracking is not that low, should be
around 8 FPS, and V2 is 15 FPS with AF tracking. Probably it's related to
the shoot to shoot performance. |
a**i
发帖数: 7261 | 17 反差对焦精度是要比单反高，特别是这种有轨迹的对焦要比拍体育的无轨迹的容易不少
，v1的中焦广角对焦还不错，长焦就慢的一塌糊涂了，拍体育基本不能用
着是
【在 e**n 的大作中提到】
: 德国老牌摄影杂志fotoMAGAZIN听说mitbbs上大家对革命机的追焦性能颇有怀疑. 本着是
: 驴子是马，拉出来遛遛的德国精神, 在8月期刊上做了一个"追焦到底谁最准? 单反革命
: 机大乱斗"的专题报到:
: 下面是各家出场选手:
: C+单反
: 1DX
: 7D
: 都配70-200mm
: N+单反
: D4
|
p*******t
发帖数: 532 | 18 DA*50-135mm 对焦慢是出了名的。有这个结果已经不错了。用18-135DC可能更好。看来
K-5II对焦是有改进。
【在 e**n 的大作中提到】
: 丐帮终于扬眉吐气了, 对焦超过了N+ hoho
|
w**7
发帖数: 5258 | 19 不能同意更多
【在 p*******t 的大作中提到】
: DA*50-135mm 对焦慢是出了名的。有这个结果已经不错了。用18-135DC可能更好。看来
: K-5II对焦是有改进。
|
J********o
发帖数: 17447 | 20 I bet 1Dx can be better cuz they didn't fine tune the focus acceleration and
so. |
|
|
e**n
发帖数: 5876 | 21 A99 6fps 33%准确率 A77 12fps 9%准确率. A77比A99连拍速度提高一倍, 但准确率
还不到A99的1/3. 镜头对焦速度显然无法解释这种差别
【在 R***a 的大作中提到】
: 在A77那么高的fps下，显然镜头对焦速度严重影响准确率
|
e**n
发帖数: 5876 | 22 这个我也搞不太清楚. 谁懂德语的看看原文有没有解释
be
【在 p*********r 的大作中提到】
: Another important data is the number of pictures were taken.
: For V2: It says 42.8 sharp and 4.2 blurry.
: For NEX-6: 3.5 sharp and 7.5 blurry.
: What does 42.8 sharp mean(my question is for the decimal point) ?
: Why did V2 take so many pictures, and NEX-6 take so few ?
: Does it have something to do with their burst rate with AF tracking spec ?
: I remember the NEX-6 burst rate with AF tracking is not that low, should be
: around 8 FPS, and V2 is 15 FPS with AF tracking. Probably it's related to
: the shoot to shoot performance.
|
J*********n
发帖数: 6974 | 23 你怎么不说A99的底大，是A77底面积的2.25倍？（每个像素面积也是A77的2.25倍）。
这种情况下，单像素面积大的不容易跑焦。
你拿D3s来测，肯定比D4准确率高。
D4的单像素面积比1DX大12.5%，和1DX的准确率差距并不大，这说明其实1DX的追焦能力
已经胜过D4.
【在 e**n 的大作中提到】
: A99 6fps 33%准确率 A77 12fps 9%准确率. A77比A99连拍速度提高一倍, 但准确率
: 还不到A99的1/3. 镜头对焦速度显然无法解释这种差别
|
d***a
发帖数: 13752 | 24 为什么没有6D, 5D3, D600, D800这些主力机呢？ |
c******s
发帖数: 1994 | 25 点进来看之前看lz ID还以为m43完爆其他各家...
着是
【在 e**n 的大作中提到】
: 德国老牌摄影杂志fotoMAGAZIN听说mitbbs上大家对革命机的追焦性能颇有怀疑. 本着是
: 驴子是马，拉出来遛遛的德国精神, 在8月期刊上做了一个"追焦到底谁最准? 单反革命
: 机大乱斗"的专题报到:
: 下面是各家出场选手:
: C+单反
: 1DX
: 7D
: 都配70-200mm
: N+单反
: D4
|
e**n
发帖数: 5876 | 26 这个解释我喜欢, m43的像素密度比APSC高. 比如C+ 7D的每个像素面积大约是P+ G6
的1.4倍左右, 7D 63%准确率, G6 57%. 准确率差距并不大，这说明其实G6的追焦能力
已经胜过7D. 呵呵
【在 J*********n 的大作中提到】
: 你怎么不说A99的底大，是A77底面积的2.25倍？（每个像素面积也是A77的2.25倍）。
: 这种情况下，单像素面积大的不容易跑焦。
: 你拿D3s来测，肯定比D4准确率高。
: D4的单像素面积比1DX大12.5%，和1DX的准确率差距并不大，这说明其实1DX的追焦能力
: 已经胜过D4.
|
e**n
发帖数: 5876 | 27 在革命机最弱的项目, 追焦测试中, G6干掉了D7100, 说"完爆"也不算太夸张...
【在 c******s 的大作中提到】
: 点进来看之前看lz ID还以为m43完爆其他各家...
:
: 着是
|
p*********r
发帖数: 4593 | 28
Panasonic actually AF tracking is always pretty good, that's one of the
reasons its video performance is good. D7100 AF tracking is relatively quite
disappointed in this test because every review site gives its top rating.
dpreview.com site should add this test as one of the review items for
overall score.
【在 e**n 的大作中提到】
: 在革命机最弱的项目, 追焦测试中, G6干掉了D7100, 说"完爆"也不算太夸张...
|
p*********r
发帖数: 4593 | 29 照这样的解释， 那 Nikon V2 要比其他的好太多了.
G6
【在 e**n 的大作中提到】
: 这个解释我喜欢, m43的像素密度比APSC高. 比如C+ 7D的每个像素面积大约是P+ G6
: 的1.4倍左右, 7D 63%准确率, G6 57%. 准确率差距并不大，这说明其实G6的追焦能力
: 已经胜过7D. 呵呵
|
p*********r
发帖数: 4593 | 30 Got some comments from someone understanding German.
They calculated the average number of sharp/blurry photos out of 6 attempts.
That's why there is a decimal point.
In terms of number of pictures were taken from each camera is different
==================================================================
I think it's the shot to shot performance. They however say that some
pictures of the V2 were on the edge of being blurry. Whether it's because
the AF missed, but the car was still inside of DoF or because they have used
the 10-100 wide open at the long end, they couldn't say.
The G6 was supposedly bad at the start, but very good when the car was
really close, which is the hardest challenge for the AF. The NEX6 on the
other hand delivered some sharp shots when the car was further away, but
failed completely when the car was getting nearer. It lost focus and never
regained it. |
|
|
c*****e
发帖数: 601 | 31 不懂德语，不知道尼康的设置是什么? Focus tracking with lock-on,设置不同效果不
同。而且，是只用中央对焦点测追踪吗？既然用了脚架，vr的设置呢？ |
h******e
发帖数: 1737 | 32 在首页上惊现“反革命大乱斗”， 点进来一看，噗 。。。 |
l*******g
发帖数: 27064 | 33 没错，sony就是参数党，参数看着很美，实际出来就是垃圾
东西好的话绝对天价，便宜的话肯定都不是好玩意
【在 k**********s 的大作中提到】
: 对焦方面，松下一直是强项，噢林帕斯一直是弱项。就像Playforever说的，V1/2毫无
: 意义。Sony吗，如果真是好的话，就天价了。传统单反不能录像是死结，还那么大，只
: 能是在家里照照后院而已。
: 目前唯一理想的相机是松下，尤其是还考虑价格、镜头和录像的话。
|
w*********g
发帖数: 10097 | 34 em5居然出局了.....尼玛裤子都脱了就让我们看这个？！
着是
【在 e**n 的大作中提到】
: 德国老牌摄影杂志fotoMAGAZIN听说mitbbs上大家对革命机的追焦性能颇有怀疑. 本着是
: 驴子是马，拉出来遛遛的德国精神, 在8月期刊上做了一个"追焦到底谁最准? 单反革命
: 机大乱斗"的专题报到:
: 下面是各家出场选手:
: C+单反
: 1DX
: 7D
: 都配70-200mm
: N+单反
: D4
|
e**n
发帖数: 5876 | 35 很有意思. 看来G6确实不错. 对GX7更加期待了
attempts.
used
【在 p*********r 的大作中提到】
: Got some comments from someone understanding German.
: They calculated the average number of sharp/blurry photos out of 6 attempts.
: That's why there is a decimal point.
: In terms of number of pictures were taken from each camera is different
: ==================================================================
: I think it's the shot to shot performance. They however say that some
: pictures of the V2 were on the edge of being blurry. Whether it's because
: the AF missed, but the car was still inside of DoF or because they have used
: the 10-100 wide open at the long end, they couldn't say.
: The G6 was supposedly bad at the start, but very good when the car was
|
e**n
发帖数: 5876 | 36 细节设置德语看不懂. 不过明确说了是用Nachführ-AF mit zentralem AF-Punkt(
Continuous AF with center AF point)
【在 c*****e 的大作中提到】
: 不懂德语，不知道尼康的设置是什么? Focus tracking with lock-on,设置不同效果不
: 同。而且，是只用中央对焦点测追踪吗？既然用了脚架，vr的设置呢？
|
e**n
发帖数: 5876 | 37 lol 这个断句油菜
【在 h******e 的大作中提到】
: 在首页上惊现“反革命大乱斗”， 点进来一看，噗 。。。
|
e**n
发帖数: 5876 | 38 em5用户提着裤子场外围观"反革命大乱斗"
【在 w*********g 的大作中提到】
: em5居然出局了.....尼玛裤子都脱了就让我们看这个？！
:
: 着是
|
f*******g
发帖数: 3304 | 39 标题很吓人
内容很精彩，主流要革命
【在 e**n 的大作中提到】
: 德国老牌摄影杂志fotoMAGAZIN听说mitbbs上大家对革命机的追焦性能颇有怀疑. 本着是
: 驴子是马，拉出来遛遛的德国精神, 在8月期刊上做了一个"追焦到底谁最准? 单反革命
: 机大乱斗"的专题报到:
: 下面是各家出场选手:
: C+单反
: 1DX
: 7D
: 都配70-200mm
: N+单反
: D4
|
c*****e
发帖数: 601 | 40 Focus tracking with lock-on,有off, 另加1-5档。如果先前被锁定的subject移动了
，但是还在设置的lock-on时间段内，AF是不会重新对焦的。
要是说d7000对焦不行我不怀疑，它除了泡椒还可以在没有合焦的时候按下快门。
说d7100对焦不行，我不信。
【在 c*****e 的大作中提到】
: 不懂德语，不知道尼康的设置是什么? Focus tracking with lock-on,设置不同效果不
: 同。而且，是只用中央对焦点测追踪吗？既然用了脚架，vr的设置呢？
|
|
|
p*********r
发帖数: 4593 | 41
It doesn't say d7100对焦不行, it is 追焦不行。
It probably is similar to Olympus OM-D5. It has really fast AF, but it doesn
't have good AF tracking(even worse than D7100). This is talking about
continuous shooting(burst rate) with AF tracking scenario.
【在 c*****e 的大作中提到】
: Focus tracking with lock-on,有off, 另加1-5档。如果先前被锁定的subject移动了
: ，但是还在设置的lock-on时间段内，AF是不会重新对焦的。
: 要是说d7000对焦不行我不怀疑，它除了泡椒还可以在没有合焦的时候按下快门。
: 说d7100对焦不行，我不信。
|
y*********e
发帖数: 7269 | 42 这是黑EM5的吗？
非常期待Pentax K3啊
着是
【在 e**n 的大作中提到】
: 德国老牌摄影杂志fotoMAGAZIN听说mitbbs上大家对革命机的追焦性能颇有怀疑. 本着是
: 驴子是马，拉出来遛遛的德国精神, 在8月期刊上做了一个"追焦到底谁最准? 单反革命
: 机大乱斗"的专题报到:
: 下面是各家出场选手:
: C+单反
: 1DX
: 7D
: 都配70-200mm
: N+单反
: D4
|
G*****h
发帖数: 33134 | 43 对单反没兴趣了
现在就对焦快的革命机有吸引力
全传感器相位对焦的机器啥时候出来啊
秒杀现在所有革命机吧
【在 y*********e 的大作中提到】
: 这是黑EM5的吗？
: 非常期待Pentax K3啊
:
: 着是
|
a*******1
发帖数: 89 | |
c*****e
发帖数: 601 | 45 我说的对焦（动态）应该和你说的追焦是一个东西。
I generally take all such tests with a (big) grain of salt. A test can make
any camera look bad, much like the car test.
doesn
【在 p*********r 的大作中提到】
:
: It doesn't say d7100对焦不行, it is 追焦不行。
: It probably is similar to Olympus OM-D5. It has really fast AF, but it doesn
: 't have good AF tracking(even worse than D7100). This is talking about
: continuous shooting(burst rate) with AF tracking scenario.
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w*********g
发帖数: 10097 | 46 怎么可能比nx300还差，两个我都有过
【在 a*******1 的大作中提到】
: 怀疑em5的数据就这样
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a********l
发帖数: 39524 | 47 没看到不穿裤子的照片。
【在 w*********g 的大作中提到】
: em5居然出局了.....尼玛裤子都脱了就让我们看这个？！
:
: 着是
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p*********r
发帖数: 4593 | 48 Used the Google translator to translate. Some of the text can not be copy-
pasted for some reasons. Most of the comments for each camera were copied.
Here is from output from Google translator
A sharp photo of example
to shoot a building is today
no longer a challenge for
a system camera. But alas, the subject
moves: Be it the pedaling child, the
rennende athletes or vorbeiflitzende
Sports car, the autofocus systems are guided to their limits. During
the focus on static
Motifs in the laboratory can measure very well,
evaluating the continuous AF under test conditions
considerably more effort.
Five years ago has fotoMAGAZIN
(Issue 5/2008) modified the tracking
Tested by nine AF SLRs.
Now it was high time the current
Generation of SLRs and mirrorless
To check system cameras, with contrast
AF and AF often hybrid work (see
P 50). Also the SLR
increasingly work with hybrid systems
(See table on page 54).
The test participants
For the test we asked the major market
Top models available with telephoto focal lengths of the respective sensor
classes.
During the tests we noticed a
Defect of the Olympus OM-D E-M5, the
therefore eliminated from the comparison. With
a functional model could
we like from a highway bridge
Make test shots, but not the
comparable with the regular results
and are therefore considered non-competitive
must be.
The results
- Canon EOS-1Dx: A professional
Canon model was its reputation
and managed - together with the Nikon ffff
D4 - the highest percentage Trefffffferquote
under the mirror reflections. Thanks to the almost
50 percent more frames per series were
However, the bottom line is more sharp
Recordings. Among the blurred images
- Canon EOS 7D: The APS-C flagship
Reflex comes with around 63% sharp photos
the finish. The sharpness was often only slightly next
and their AF got the car almost
ever again.
- Nikon D4: The full frame reflex is
such as the EOS-1Dx to a top rate of
less total shots. Also in
Nikon's pro model was the focus at
the outliers usually only a near miss;
if so, then usually too close. The D4 remained
well and produced until the end of the series
hardly any real outliers.
- Nikon D7100: Following the motto "Just
past is also next "is the Trefffffferquote
Nikon's APS-C reflex in midfield.
Often the focus is just next to it
then be quickly exactly.
- Nikon 1 V2: The top model among
Nikon's mirror made us lots evaluation
not easy. At Breakneck Speed
they made an average of 47 shots per
Series, the sharp from the start for a long time
were before her creeping in at the end
Something close range ran out of steam. The
Photos missing the crisp sharpness because of the
design due to large depth of field (panel
5.6) and the possibly weaker
Imaging performance at full aperture
the tenfold zoom.
- Panasonic Lumix G6: Right well in
Finish presented the new Micro-
Four Thirds model from Panasonic. Just
in the last third of a series until shortly before
Closing her AF was mostly correct.
- Pentax K-5 II: Not really convince
could the erratic jumping around
AF APS-C reflex. Evaluation
the Pentax images revealed particular
near absence of problems in the form
cracking sharp results.
- Samsung NX300: Similar to the
Nikon 1 V2 was the evaluation by
a modest overall image sharpness
(Aperture 6.3) difficult. Showed the NX300
AF problems especially in the last quarter
and very varied series.
- Sony SLT Alpha 99: The full-frame
Flaggschiffff Sony disappointed with a
Trefffffferquote of 33%. At close range, lost
they always have the sharpness control only
was in the middle distance range
they keep up with the car. Only in a
Series you get more sharp than
blurring.
- Sony SLT Alpha 77: No sooner is explicable
the weak performance of the Alpha 77
The AF of Sony's APS-C reflex depends
back after a few sharp photos mostly
and panting behind the subject, brings
but only very rarely.
- Sony Nex-6: The mirror-less Nex-6 succeeded
usually a good start, but then lost
AF of the car and not caught him
one more. This results in eleven frames per series
few sharp photos. |
e**n
发帖数: 5876 | 49 08年5月期fotoMAGAZIN就做个一次这种CAF测试, 当时有人翻译了放在dprview上, 引发
了大讨论. 不知道这次什么时候会有人做全篇翻译
【在 p*********r 的大作中提到】
: Used the Google translator to translate. Some of the text can not be copy-
: pasted for some reasons. Most of the comments for each camera were copied.
: Here is from output from Google translator
: A sharp photo of example
: to shoot a building is today
: no longer a challenge for
: a system camera. But alas, the subject
: moves: Be it the pedaling child, the
: rennende athletes or vorbeiflitzende
: Sports car, the autofocus systems are guided to their limits. During
|
J*********n
发帖数: 6974 | 50 等佳能。
【在 G*****h 的大作中提到】
: 对单反没兴趣了
: 现在就对焦快的革命机有吸引力
: 全传感器相位对焦的机器啥时候出来啊
: 秒杀现在所有革命机吧
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|
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e**n
发帖数: 5876 | 51 一个波兰网站optyczne一直有测单次对焦精确度的. d7100配24-70不咋地. K-5II倒是
很不错了
"Normally, we test AF series of 40 images. The lens used to set the aperture
f/2.8 and photographing an array of resolutions, each przeogniskowując
lens. The chart below presents the results obtained on the Nikkor AF-S 24-
70 mm f/2.8G ED (set to a focal length of 70 mm) and AF 50mm f/1.8D. The
results are presented in the form of a histogram, which represents the
percentage of deviation from the best measurement of MTF 50 in the series."
【在 c*****e 的大作中提到】
: Focus tracking with lock-on,有off, 另加1-5档。如果先前被锁定的subject移动了
: ，但是还在设置的lock-on时间段内，AF是不会重新对焦的。
: 要是说d7000对焦不行我不怀疑，它除了泡椒还可以在没有合焦的时候按下快门。
: 说d7100对焦不行，我不信。
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