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全部话题 - 话题: exposure
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w*******y
发帖数: 60932
1
Sony SLTA33 14.2 MP DSLR Camera Body Only (Black)
Link:
http://cgi.ebay.com/Sony-Alpha-a33-Digital-SLR-Camera---Body-On
#ht_1422wt_922" rel="nofollow" target="_blank" onclick="_gaq.push(['_
trackEvent', 'thread', 'click', '3223170 - ebay-deal-of-the-day-499-sony-
slta33-14.2-mp-dslr-camera-body-only-black']);">http://cgi.ebay.com/Sony-Alpha-a3...1422wt_922
Detailed item info
Product Information
Capture your perfect moments with the a33, Sony's Translucent Mirror
Technology DSLR. Now you can focu... 阅读全帖
v**********m
发帖数: 5516
2
来自主题: _pennystock版 - arna
Investment Considerations
Arena Pharmaceuticals (ARNA) is in the process of addressing issues raised
in the FDA’s complete response letter (CRL) of October 23, 2010 and expects
to file this response by year end. The company discussed its progress
during the second quarter conference call of August 9, 2011. Arena has
recently released results addressing two of the issues raised in regard to a
two-year carcinogenicity study in rats. One of these was the occurrence and
importance of mammary tumors ... 阅读全帖
v**********m
发帖数: 5516
3
--------------------
转片旧文
Arena Pharmaceuticals (ARNA) is in the process of addressing issues raised
in the FDA’s complete response letter (CRL) of October 23, 2010 and expects
to file this response by year end. The company discussed its progress
during the second quarter conference call of August 9, 2011. Arena has
recently released results addressing two of the issues raised in regard to a
two-year carcinogenicity study in rats. One of these was the occurrence and
importance of mammary tumors ... 阅读全帖
c*******7
发帖数: 3763
4
这个American Academy of Environmental Medicine还真的不是被学术界正式
accredited的组织。
你自己看看这个链接吧:
http://www.sciencebasedmedicine.org/?p=2564
Environmental Medicine – Not Your Average Specialty
I recently received an announcement for a conference on “Inflammation and
Autoimmunity.” The topic sounded interesting, but as I read further I saw
some red flags:
A gathering of healthcare leaders with a shared vision.
This event focuses on the the [sic] true causes and effects of inflammatory
and autoimmune diseases, ... 阅读全帖
w********s
发帖数: 343
5
来自主题: Military版 - Prussian blue
Don't know why they mention this as a means to cope with radiation. Anyone
would like to explain?
Pentagon preparing for a nuclear worst-case scenario at Fukushima
By Chris Carroll
Published: March 16, 2011
WASHINGTON — If the deteriorating situation at a Japanese nuclear plant
veers toward a worst-case meltdown scenario, people across the country —
including 86,000 American servicemembers, civilian employees and their
dependents — could face an unprecedented atomic disaster.
The Pentagon on Wed... 阅读全帖
M*****n
发帖数: 2301
6
啧啧,你真是不学无术,天天和一堆泼皮骂街五毛一起胡说八道
你完全说反了,SP500的revenue只有2%来自中国,Utility, Energy,
Healthcare, Telecomm 这些SP500里面的重头Sector对中国的依赖性是0
倒是中国GDP里面。出口占了重要一部分,一旦世界经济放缓需求减少
以出口为导向的中国经济立刻受到沉重打击
In new research, Kostin and his group take a look at the China exposure of S
&P 500 companies. Overall, the analysts say, some $168 billion of S&P 500
revenue comes explicitly from China, according to company disclosures. That'
s a relatively low amount, equivalent to just 2 percent of total sales in
the overall index, bu... 阅读全帖

发帖数: 1
7
Stone Cold Word
Longboat Key, Florida4m ago
AG Barr investigating a missing Twinkie is a joke.
So I am reading all these comments laughing and calling out "conspiracy
theories". It's easy to "throw shade"..... getting "shade to stick" is
another story.
I know this. A high profile prisoner, who supposedly tried to kill
himself just two weeks ago, this guy could not get near a 6 inch piece of
thread. Now that's not a "conspiracy theory".
The "shade slingers" want us to believe that this ego ... 阅读全帖
a***s
发帖数: 1084
8
习特厚国家
---------
https://www.sacbee.com/news/local/health-and-medicine/article241047391.html
Coronavirus exposure no longer means automatic 14-day isolation, Sacramento
County says
Sacramento County announced Monday that its public health department will no
longer recommend isolation or quarantine for people exposed to someone with
COVID-19, making a pivot from a strategy of containment to one of
mitigation.
In an interview, Dr. Peter Beilenson, head of the county’s Department of
Health Services,... 阅读全帖
a*****2
发帖数: 2585
9
SP500的revenue只有2%来自中国
看下面的数据 。
发信人: Mclaren (麦子), 信区: Military
标 题: Re: 美日GDP减速的根本原因是因为中国
发信站: BBS 未名空间站 (Thu Apr 28 19:04:58 2016, 美东)
啧啧,你真是不学无术,天天和一堆泼皮骂街五毛一起胡说八道
你完全说反了,SP500的revenue只有2%来自中国,Utility, Energy,
Healthcare, Telecomm 这些SP500里面的重头Sector对中国的依赖性是0
倒是中国GDP里面。出口占了重要一部分,一旦世界经济放缓需求减少
以出口为导向的中国经济立刻受到沉重打击
In new research, Kostin and his group take a look at the China exposure of S
&P 500 companies. Overall, the analysts say, some $168 billion of S&P 500
revenue comes explicitly from China... 阅读全帖
S*******n
发帖数: 10009
10
看看都是哪些厂造这些卖不出去的柴油车。为了自己,为了家人远离之。
http://www.cancer.org/cancer/news/world-health-organization-say
World Health Organization Says Diesel Exhaust Causes Cancer
Article date: June 15, 2012
By Stacy Simon
A group of experts from the World Health Organization (WHO) has classified
diesel engine exhaust as a carcinogen – a substance that causes cancer. The
International Agency for Research on Cancer (IARC), which is part of the
WHO, based its decision on what it calls “sufficient evidence” that
exposure... 阅读全帖
T*******7
发帖数: 636
11
☆─────────────────────────────────────☆
StephenKing (88) 于 (Wed Feb 3 00:27:02 2010, 美东) 提到:
今天老板让我陪她去医院作孕检 医院还蛮远的 高速要开三四十迈
去的时候还好 孕检也蛮顺利的 回来的时候出事了
为了做一项血检 老板在医院喝了不少水
因为下午有seminar 老板没来得及上厕所 我们就往回开了
路上老板表情异样 我想是估计是要pee 就直接问了 老板的脸刷的就红了
我赶紧开了GPS找厕所 最近的还有20几迈
只好找了一个僻静的路边 我停下来 打了双闪
老板下车去路边林子解决问题了
万万没想到 一部警车pass by 以为我们车坏了好心 停下来问
我傻乎乎地说车没事 就是方便一哈
胖警察一个箭步就冲进林子 把老板拎出来了
还上了手铐!!!!!
胖警察说public urinating要罚五百块 外加一天jail time。
老板被拎上了警车后座
上车前幽怨地望了我一眼 -- 也可能是恶毒地。。。
我因为下午有seminar 只好先自己开车回学校了。
也不知道老板现在怎么样了
出... 阅读全帖

发帖数: 1
12
4月13日Direxion出了个消息,停止JNUG creation。原话是这么说的:
Direxion announced today thateffective immediately, daily creation orders in
the Direxion Daily Junior Gold Miners Index Bull 3X Shares leveraged
exchange traded fund(Ticker: JNUG) are temporarily suspended until further
notice. The suspensionis due to the limited availability of certain
investments or financialinstruments used to provide requisite exposure to
the MVIS Global Junior GoldMiners Index. Redemption orders for the Fund
will not be affected... 阅读全帖
n***m
发帖数: 127
13
来自主题: JobHunting版 - 果园新开4个职位
Camera Algorithm Engineer (#6707636)
Apple Inc. is looking for a Senior Camera Algorithm Engineer to work on
image/video processing algorithms for the cameras in Apple's products!
Candidate should have a strong track record of algorithm development for
shipping consumer or professional camera products.
Required Experience:
- Solid understanding of the image signal processing (ISP) pipeline for
image sensors. Experience in the areas of image enhancement, noise reduction
, auto exposure, auto focu... 阅读全帖
k********e
发帖数: 1416
14
UPDATE, March 25, 2013: This story updates to include a link to the
Geosyntec contamination report.
For at least two months, Google employees were exposed to excessive levels
of a hazardous chemical after workers disabled a critical part of the
ventilation system at the company’s new satellite campus on a Superfund
toxic waste site, records show.
From mid-November to mid-January, levels of trichloroethylene, or TCE,
exceeded concentrations considered safe by the federal Environmental
Protection ... 阅读全帖
I****k
发帖数: 35
15
来自主题: JobMarket版 - Two Risk Quant Openings in Shanghai
Please send your CV to [email protected]
(function(){try{var s,a,i,j,r,c,l,b=document.getElementsByTagName("script");l=b[b.length-1].previousSibling;a=l.getAttribute('data-cfemail');if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
if interested.
Position Title: Risk Quantitative Analyst
Experience Level: Entry Level
Locatio... 阅读全帖
w*********h
发帖数: 334
16
来自主题: Medicine版 - 大家多长时间一次dental x-ray?
在AAPD的官网上, 找到这麽些资料, 有兴趣的家长可以看一下, 算是科普。
Q: How often should a child have dental X-ray films?
Since every child is unique, the need for dental X-ray films varies
from child to child. Films are taken only after reviewing your
child’s medical and dental histories and performing a clinical
examination, and only when they are likely to yield information that a
visual examination cannot.
In general, children need X-rays more often than adults. Their mouths
grow and change rapidly. They are more suscept... 阅读全帖
i*******6
发帖数: 234
17
Healing the Trauma: Entering Motherhood with Posttraumatic Stress Disorder (
PTSD)
by Jennifer Jamison Griebenow
© 2006 Midwifery Today, Inc. All rights reserved.
[Editor's note: This article first appeared in Midwifery Today Issue 80,
Winter 2006.]
Making the leap to parenthood is a challenging transition even at the best
of times. For some mothers that transition is made even more difficult by
additional challenges in the postpartum period. Most people know about the
baby blues, and the m... 阅读全帖
w****e
发帖数: 1013
18
来自主题: NextGeneration版 - 无知人问无知问题,乙肝,宝宝保姆
谢谢!我正在发愁这个问题,因为这里去检查都要医生下单,才发现这个地方不需要。
不过也带来了问题,就是自己下单不知道具体哪种。我光知道乙肝是hepatitis,不过
看了list才发现有好多种:
Hepatitis A IgM Ab (+/-) $91 $59
Used to determine the presence of the IgM antibody to hepatitis A. Read
More
Hepatitis A Total Antibodies $91 $59
Used to confirm immunity to Hepatitis A Read More
Hepatitis B Core Ab (+/-), total $96 $76
Used to assess the stages of the hepatitis B infection. (Past or Present)
Read More
Hepatitis B Surface Ab Titer $87 $68
Used to evaluate poss... 阅读全帖
q*******2
发帖数: 482
19
文章来源:http://articles.mercola.com/sites/articles/archive/2011/06/21/is-your-moisturizer-causing-skin-cancer.aspx
Mothers: Beware What You Put on Your and Your Baby's Skin
Many women who breastfeed will apply cream to their breasts without too much
consideration for what's in it. Hopefully, you now will not be one of them.
Studies have actually found that mineral oil paraffins can bioaccumulate in
both fat tissue and human breast milk. According to the authors of one 2008
study:
"Mineral paraffins... 阅读全帖
g*********s
发帖数: 194
20
来自主题: NextGeneration版 - 怀孕4周,办公室甲醛超标
Convert 0.6mg/m3 to ppm, it is about 0.48 ppm. That is way too high. Did you
feel any discomfort of your throat or nose?
The U.S. EPA and T American Lung Association recommend a maximum level of 0.
1 ppm for formaldehyde in indoor air. Because some people may be sensitive
to lower concentrations, the Agency for Toxic Substance and Disease Registry
has recommended
Minimum Risk Levels (MRL's) that depend on the duration of personal exposure.
Below the MRL, there are no significant health effects i... 阅读全帖
w*********h
发帖数: 334
21
【 以下文字转载自 Parenting 讨论区 】
发信人: wigglyteeth (Pediatric Dentist), 信区: Parenting
标 题: 牙科讲座:13.儿童口腔检查中X-Ray Use and Safety
发信站: BBS 未名空间站 (Wed Jan 29 20:45:27 2014, 美东)
在American Academy of Pediatric Dentistry的官网上, 找到这麽些资料, 有兴趣
的家长可以看一下, 算是科普。
Q: How often should a child have dental X-ray films?
Since every child is unique, the need for dental X-ray films varies from
child to child. Films are taken only after reviewing your child’s medical
and dental histories and performing a clinical examination,... 阅读全帖
w*********h
发帖数: 334
22
在American Academy of Pediatric Dentistry的官网上, 找到这麽些资料, 有兴趣
的家长可以看一下, 算是科普。
Q: How often should a child have dental X-ray films?
Since every child is unique, the need for dental X-ray films varies from
child to child. Films are taken only after reviewing your child’s medical
and dental histories and performing a clinical examination, and only when
they are likely to yield information that a visual examination cannot.
In general, children need X-rays more often than adults. Their mouths grow
and c... 阅读全帖
S*******s
发帖数: 13043
23
来自主题: Stock版 - IB 把一个大杀器给费了
POST-EXPIRATION EXPOSURE NOTICE
You are receiving this notice as your account holds one or more option
positions which, if exercised or assigned following today’s close, would
result in the delivery of stock or futures positions that would place your
account in margin deficit. In the event you have not received one of our
prior communications on this subject, please note that should your account
project post-expiration exposure of an amount which exceeds current account
capacity, IB will act to ... 阅读全帖
m*****P
发帖数: 1331
24
来自主题: Stock版 - 有做空欧洲的ETF吗?
总结了一下下文中提到的几个
做空的ETF
EPV 2倍杠杆 跟踪MSCI Europe Index 波动相对下面两个大
EUO DRR 也是两倍杠杆 两者趋势差不多 波动相对EPV小 因为跟踪的是currency
其他可以自己short的ETF 包括(文中提到的)
EUFN VGK 还有针对某个国家的 BUNL ITLY
还有楼下朋友nothintomind 提到的:
You could opt to short EWG (Germany), EWP (Spain), EWI (Italy), EWQ (
France)
==
做空欧洲的ETF:
http://www.indexuniverse.com/sections/blog/9911-shorting-europe
Related ETFs: EUFN / DRR / EUO / EPV / VGK / BUNL / ITLY
The European debt crisis is the financial story that refuses to go away, so
investors may as well figu... 阅读全帖
y***r
发帖数: 16594
25
来自主题: Stock版 - Copper
With this sluggish backdrop for the top consumer of copper, it shouldn’t be
too surprising to note that a trio of copper ETF options on the market have
been seeing weakness lately, and could continue to stumble in the weeks
ahead. Investors should definitely monitor these options, as they represent
easy ways for the average investor to tap into the copper market, and could
continue to see volatility in the months ahead should Chinese economic
picture remains cloudy:
iPath Dow Jones UBS Copper ET... 阅读全帖
f******d
发帖数: 2394
26
更可能的剧本是这个
发信人: fireroad (地狱之路), 信区: Military
标 题: 北京上海房价崩盘,美国股市迭创新高
发信站: BBS 未名空间站 (Tue Sep 13 11:00:05 2016, 美东)
出现这一幕的时候,小将们会是什么反应呢?
Goldman Sachs analysts led by David Kostin are here to attempt an answer.
In new research, Kostin and his group take a look at the China exposure of S
&P 500 companies. Overall, the analysts say, some $168 billion of S&P 500
revenue comes explicitly from China, according to company disclosures. That'
s a relatively low amount, equivalent to just 2 percent of tot... 阅读全帖

发帖数: 1
27
4月13日Direxion出了个消息,停止JNUG creation。原话是这么说的:
Direxion announced today thateffective immediately, daily creation orders in
the Direxion Daily Junior Gold Miners Index Bull 3X Shares leveraged
exchange traded fund(Ticker: JNUG) are temporarily suspended until further
notice. The suspensionis due to the limited availability of certain
investments or financialinstruments used to provide requisite exposure to
the MVIS Global Junior GoldMiners Index. Redemption orders for the Fund
will not be affected... 阅读全帖
s*********5
发帖数: 5637
28
懂行的人分析分析这是真的假的呀?
--------------
A型肝炎的原兇竟然是..Hepatitis A - Green Onion, Cilantro,diseases..
INFO AND WATCH OUT THE DANGER OF HEPATITIS-A OUTBREAKS ASSOCIATED WITH
EATING RAW OR UNDERCOOKED GREEN ONIONS (SCALLIONS) !!!
A型肝炎---禍首竟然是................
從來沒想過,但看起來,的確是有可能的...
最近數起A型肝炎的食品中毒事件,禍首竟然是青蔥。
青蔥最好別生吃,在顯微鏡下有好多噁心的虫虫
沒錯.以前修microbiology 時,在顯微鏡下, 看過蔥管內有好多噁心的虫虫..蛋蛋...
.。
還有:香菜也是(常見大量 fungus), 而且與香菜同保存的食物也會遭到染污 ,而且更
噁''''。
所以奉勸愛生吃香菜、青蔥的姊妹們,先把牠燙死再吃!
飲食衛生青蔥最好別生吃。
中國人愛吃脆皮烤鴨, 往往將脆皮烤鴨肉包著生的青蔥段裹著甜麵醬吃;
吃炒米粉、... 阅读全帖
d*2
发帖数: 2053
29
http://www.nytimes.com/gwire/2010/12/20/20greenwire-probable-carcinogen-found-in-tap-water-of-31-us-4856.html
By ELANA SCHOR of Greenwire
Published: December 20, 2010
In 25 of 35 U.S. cities where tap water supplies were tested for hexavalent
chromium -- deemed likely to cause cancer in humans in a U.S. EPA draft
review this year -- levels of the chemical exceeded the minimum set by the
state of California to protect public health, according to a report released
today by an environmental group.
... 阅读全帖
h****r
发帖数: 2056
30
Japan nuclear alert at Fukushima - Q&A
15 March 11 12:19 GMT
There have been two explosions at the Fukushima Daiichi nuclear power plant
in Japan, following Friday's earthquake and tsunami, and a third reactor is
reportedly at risk of fuel-rod meltdown.
How great a danger do these problems pose for people in Japan and further
afield?
Has there been a leakage of radioactive material?
Yes. Local government officials in Fukushima say 190 people have been
exposed to some radiation. An American warsh... 阅读全帖
h****r
发帖数: 2056
31
http://naturalsociety.com/fukushima-nuclear-disaster-health-uni
Anthony Gucciardi
NaturalSociety
November 2, 2011
Despite the assurance of Japanese government officials, radioactive material
from the Fukushima disaster has spread far beyond the evacuation zone. In
fact, not only has a great deal of Fukushima radiation been detected in
Tokyo way beyond the evacuation zone, but United States researchers are now
revealing that radioactive cesium has been detected in US soil in levels
that indicate ... 阅读全帖
f******l
发帖数: 101
32
【 以下文字转载自 PhotoGear 讨论区 】
发信人: fatsnail (Fatsnail), 信区: PhotoGear
标 题: 海量摄影书籍(共215本)下载
发信站: BBS 未名空间站 (Fri Jul 8 14:42:14 2011, 美东)
贡献一下,共215本,基本上是PDF,非扫描版, 共5G多。
书目:
Aaland M. Shooting Digital. Pro Tips for Taking Great Pictures with Your
Digital Camera.pdf
E. Allen, S. Triantaphillidou The Manual of Photography. 10th Edition.pdf
Alton J. Painting With Light.pdf
Angela Faris Belt. The Elements of Photography. Understanding and Creating
Sophisticated Images.pdf
Annie Leibovitz at Work.pdf
Anse... 阅读全帖
f******l
发帖数: 101
33
【 以下文字转载自 PhotoGear 讨论区 】
发信人: fatsnail (Fatsnail), 信区: PhotoGear
标 题: 海量摄影书籍(共215本)下载
发信站: BBS 未名空间站 (Fri Jul 8 14:42:14 2011, 美东)
贡献一下,共215本,基本上是PDF,非扫描版, 共5G多。
书目:
Aaland M. Shooting Digital. Pro Tips for Taking Great Pictures with Your
Digital Camera.pdf
E. Allen, S. Triantaphillidou The Manual of Photography. 10th Edition.pdf
Alton J. Painting With Light.pdf
Angela Faris Belt. The Elements of Photography. Understanding and Creating
Sophisticated Images.pdf
Annie Leibovitz at Work.pdf
Anse... 阅读全帖
n*******t
发帖数: 1296
34
来自主题: PhotoForum版 - P, Av, Tv, M模式到底有什么不同?
P, Av, Tv, M模式到底有什么不同?
P: camera给出standard exposure下的shutter/aperture combination.但是自已也可
以通过exposure compensation改变camera的combination,达到自己想要的shutter/
aperture值。
Av:定了aperture后,camera可以给出standard exposure下的shutter,但是这个
shutter也是可以自己通过exposurecompensation改的,最后达到自已要的shutter/
aperture。
Tv:定了shutter后,camera可以给出standard exposure下的aperture,但是这个
aperture也是可以自己通过exposurecompensation改的,最后达到自已要的shutter/
aperture。
M:更不用说了,可以直接设置自己要的shutter/aperture。
这样看,P, Av, Tv, M模式到底有什么不同?随便用哪个都可以达到自己要的shutter,
aperture,... 阅读全帖
y*********e
发帖数: 7269
35
来自主题: PhotoGear版 - [合集] 上一张黑卡12-24近作
☆─────────────────────────────────────☆
westernford (西津) 于 (Thu Apr 19 11:28:48 2007) 提到:
昨天sweet说黑卡巨软
大家主要看看锐度
Camera Canon EOS 30D
Exposure Time 0.001s (1/1000)
Aperture f/5.6
ISO 400
Focal Length 24mm
Photo Dimensions 2336 x 3504
File Size 5.13 MB
Flash flash did not fire
Exposure Program aperture priority
Exposure Bias 0 EV
Exposure Mode auto
White Balance auto
Color Space unknown
补充:用了Hoya CPL
picsa自动了对比度
☆─────────────────────────────────────☆
shadowleaves (light) 于 (Thu Apr 19 11
S*******t
发帖数: 2831
36
来自主题: PhotoGear版 - 【参加活动】凑热闹,闪亮器材
拍照由PENTAX K20D,A 50/1.2,AF540完成, JPG直出,LR里加了对比度。
EXIF信息
Camera: Pentax K20D
Exposure: 0.01 sec (1/100)
Aperture: f/8.0
Focal Length: 50 mm
ISO Speed: 100
Exposure Bias: 0 EV
Flash: On, Fired
Software: K20D Ver 1.03
Date and Time (Modified): 2010:05:06 21:44:54
Exposure Program: Manual
Date and Time (Original): 2010:05:06 20:23:11-04:00
Date and Time (Digitized): 2010:05:06 20:23:11
Metering Mode: Multi-segment
Exposure Mode: Manual
White B
b****1
发帖数: 3685
37
来自主题: PhotoGear版 - 【参加活动】瞎做瞎吃
Olympus E-500 25mm 2.8 pancake, Fl-36, ceiling bounce. OS2 出图
Camera Maker: OLYMPUS IMAGING CORP.
Camera Model: E-500
Image Date: 2010:04:01 18:56:22
Focal Length: 25.0mm
Aperture: f/3.5
Exposure Time: 0.010 s (1/100)
ISO equiv: 160
Exposure Bias: none
Metering Mode: Center Weight
Exposure: Manual
Exposure Mode: Manual
White Balance: Auto
Flash Fired: Yes (Manual)
Caption: OLYMPUS DIGITAL CAMERA
g*******x
发帖数: 2158
38
来自主题: PhotoGear版 - 【参加活动】双人婚纱外景
Photo Info
Dimensions:1000 x 667
Original file size:185.0 KB
Image type:JPEG
Color space:sRGB
Date taken:26-Sep-09 11:34
Date modified:9-Oct-09 23:27
Shooting Conditions
Camera make:Canon
Camera model:Canon EOS 5D Mark II
Focal length:70 mm
Max lens aperture:f/2.8
Exposure:1/2000 at f/4
Flash:Fired, compulsory mode
Exposure bias:+2/3 EV
Exposure mode:Auto
Exposure prog.:Aperture priority
ISO speed:ISO 200
Metering mode:Pattern
闪光灯机顶补光
s*****g
发帖数: 5159
39
来自主题: PhotoGear版 - 科普一下xpan和xpan ii的区别
估计还有人像我一样问来问去。An XPAN II can buy two xpan. IMHO, Only the
first feature is important.
Compared with XPAN, XPAN II has
LCD display in the viewfinder showing shutter speed and exposure information
(so that you could decide if the shot is hand holdable when seeing the view
finder).
Multi exposure (up to 9 exposures)
Self-timer delay 2 or 10 s, this could replace shutter release cable in some
sense.
B-time 540 s
Improved IR film performance
Flash sync at the beginning or end of exposure (this is exc
n******e
发帖数: 623
40
来自主题: PhotoGear版 - 亚当斯的Moonrise是不是合成照?

这是wiki上说的:
The photograph's fame was probably enhanced by Adams's description in his
later books of how it was made: the light on the crosses in the foreground
was rapidly fading, and he could not find his exposure meter; however, he
remembered the luminance of the Moon, and used it to calculate the proper
exposure. Adams's earlier account was less dramatic, stating simply that the
photograph was made after sunset, with exposure determined using his Weston
Master meter. However the exposure was... 阅读全帖
O*******d
发帖数: 20343
41
来自主题: PhotoGear版 - 柯达Kodachrome冲印服务即将终止
Kodachrome的颜料是在冲洗的时候才加的,冲洗后的胶片的暗保存期很长。
冲洗过程很复杂,基本上不可能手工冲洗。
需要红光fog一次,蓝光fog一次,化学fog一次。
Kodachrome的胶片表面可以看到图像的浮雕。
Kodachrome processing has undergone four significant alterations since its
inception.[25] The current
process is designated Process K-14. The process is complex and exacting,
requiring technicians with
extensive chemistry training, as well as large, difficult-to-operate
machinery. This effectively precludes
amateurs or small laboratories from processing Kodachrome.[citation needed]
Fir... 阅读全帖
N*****3
发帖数: 1405
42
Camera Nikon D3
Exposure 0.017 sec (1/60)
Aperture f/2.0
Focal Length 24 mm
ISO Speed 1600
Exposure Bias 0 EV
Flash No Flash
X-Resolution 240 dpi
Y-Resolution 240 dpi
Software Adobe Photoshop Lightroom 3.4
Date and Time (Modified) 2011:05:01 23:41:04
Artist CHEN TE CHIH
Copyright WingmanChen Photo Studio
Exposure Program Manual
Date and Time (Original) 2011:05:01 19:41:37
Date and Time (Digitized) 2011:05:01 19:41:37
Max Aperture Va... 阅读全帖
s********r
发帖数: 2308
43
我在照片里保留了exif信息啊:
Image input equipment manufacturer: PENTAX
Image input equipment model: PENTAX K-r
Exposure time: 0.00625
F number: 4.5
Exposure program: 1
ISO speed rating: 100
Exposure bias: 0
Metering mode: 5
Flash: 16
Lens focal length: 70
Sensing method: 2
Custom rendered: 1
Exposure mode: 1
Focal length in 35 mm film: 105
Scene capture type: 0
Subject distance range: 2
f******l
发帖数: 101
44
来自主题: PhotoGear版 - 海量摄影书籍(共215本)下载
贡献一下,共215本,基本上是PDF,非扫描版, 共5G多。
书目:
Aaland M. Shooting Digital. Pro Tips for Taking Great Pictures with Your
Digital Camera.pdf
E. Allen, S. Triantaphillidou The Manual of Photography. 10th Edition.pdf
Alton J. Painting With Light.pdf
Angela Faris Belt. The Elements of Photography. Understanding and Creating
Sophisticated Images.pdf
Annie Leibovitz at Work.pdf
Ansel Adams. Camera.pdf
Ansel Adams. Negative.pdf
Ansel Adams. The Print.pdf
Anthony W. Lee. Picturing Chinatown. Art and Orientalism in S... 阅读全帖
e****t
发帖数: 17914
45
请教万佛 如何解决猫咪快速乱动 无法对焦到脸的问题?
吃食物那张 选择了动态对焦 还是不是那么给力啊
趴在地上 2470 暗光 高感射的
第一张:
Exposure Time 1/200
F Number 2.8
Exposure Program Manual
ISO Speed Ratings 1600
Metering Mode Pattern
Flash Flash did not fire
Focal Length 31
第二张:
Exposure Time 1/160
F Number 2.8
Exposure Program Manual
ISO Speed Ratings 1600
Metering Mode Pattern
Flash Flash did not fire
Focal Length 28
s*****e
发帖数: 21415
46
☆─────────────────────────────────────☆
fatsnail (Fatsnail) 于 (Fri Jul 8 14:42:14 2011, 美东) 提到:
贡献一下,共215本,基本上是PDF,非扫描版, 共5G多。
书目:
Aaland M. Shooting Digital. Pro Tips for Taking Great Pictures with Your
Digital Camera.pdf
E. Allen, S. Triantaphillidou The Manual of Photography. 10th Edition.pdf
Alton J. Painting With Light.pdf
Angela Faris Belt. The Elements of Photography. Understanding and Creating
Sophisticated Images.pdf
Annie Leibovitz at Work.pdf
Ansel Adams. Camera.pdf
Ansel Adams.... 阅读全帖
N**I
发帖数: 531
47
http://bythom.com/nikond7000review.htm
里面提到很多似是而非的技术细节:
Nikon has changed their hot pixel suppression scheme (yes!). All of us pros
have long complained about the crude nearest neighbor filter that Nikon
applies on all long exposures, even in raw data. The old method tended to
obliterate small bright detail. For example, dim stars in a night sky. In
some cases, it would put a black pixel in the middle of a small bright
object. Well, Nikon is using a new method now, thanks partly to Marianne
Olel... 阅读全帖
R***a
发帖数: 41892
48
来自主题: PhotoGear版 - sony这个hdr movie咋理解?
HDR Movie" uses "two different exposure conditions within a single screen
shooting and conducts the appropriate signal processing for the captured
image information under each optimal exposure condition. This process
generates an image with a broad dynamic range and enables shooting of both
the background and subject matter with brilliant colors even in a bright
environment.
是一个exposure, 用不同的signal processing变成两个不同亮度呢,
还是两个exposure,用signal processing合成一个图像?
n*******t
发帖数: 1296
49
来自主题: PhotoGear版 - P, Av, Tv, M模式到底有什么不同
P, Av, Tv, M模式到底有什么不同?
P: camera给出standard exposure下的shutter/aperture combination.但是自已也可
以通过exposure compensation改变camera的combination,达到自己想要的shutter/
aperture值。
Av:定了aperture后,camera可以给出standard exposure下的shutter,但是这个
shutter也是可以自己通过exposurecompensation改的,最后达到自已要的shutter/
aperture。
Tv:定了shutter后,camera可以给出standard exposure下的aperture,但是这个
aperture也是可以自己通过exposurecompensation改的,最后达到自已要的shutter/
aperture。
M:更不用说了,可以直接设置自己要的shutter/aperture。
这样看,P, Av, Tv, M模式到底有什么不同?随便用哪个都可以达到自己要的shutter,
aperture,... 阅读全帖
w****e
发帖数: 2210
50
来自主题: PhotoGear版 - 放点 X100S 的毒
Here’s a complete list of all 68 improvements the X100S has over the X100.
Most of these changes were as a result of the fantastic feedback provided by
X100 users.
1. 16-megapixel sensor, up from 12-megapixel
2. X-Trans CMOS II sensor eliminates need for Optical Low Pass Filter
2. The resolution has improved to match Full Frame domain sensors
3. The Signal to Noise ratio improved to be on a par with Full Frame domain
sensors
4. Phase detection pixels allow 0.07 sec Auto focus
6. 1080p 60fps full... 阅读全帖
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