5D II ,--代表迄今EOS DSLR的最高画质
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[1 楼] 人来风
[资深泡菜]
08-9-25 21:36
这两天有不少关于无敌兔的有趣的话题:
-无敌兔怎么还是没有内闪啊. 天啊! -挤牙膏要到何时了!看瘸腿5Dii的对焦系统和测光系统。 -脑子进水了?5D2没有资格叫无敌兔! -5DII比1DS MARKIII画质会差多少? -D700的高感光度重要还是无敌兔的高像素重要 -...... 非常有趣的问题呀! 就是搞得人看着无敌兔心里怪怪的.有些纷乱无序。 嗯!不管对焦,不管ISO, 不管机身,不管高清视频, 不管高像素,...... 就说画质! : '......EOS 5D Mark II 取得了迄今为止发布的所有EOS DSLR中最高水平的画质 ' http://www.usa.canon.com/templatedata/pressrelease/20080917_5dmkii.html http://www.northlight-images.co.uk/cameras/Canon_5d2_3d_7d.html “......Although the individual pixel dimensions of the EOS 5D Mark II camera are the same as the 21.1-megapixel CMOS sensor used in the EOS-1Ds Mark III digital SLR, the new sensor incorporates an improved output amplifier and a more advanced colour filter that improves light transmission while retaining excellent colour reproduction. By applying the same kind of advancements in sensor design and image processing technology as the recently introduced EOS 50D camera, but at higher resolution and with larger pixels, the EOS 5D Mark II achieves the highest level of image quality of any EOS Digital SLR released to date.” -“虽然EOS 5D Mark II 的单个像素的尺寸和21.1-megapixel的 EOS-1Ds Mark III 的 CMOS 相同,但是新的图像感应器采用了新的输出放大器以及在保持优秀的色彩还原的前提下应用了更高级的改善了光线传输的彩色滤光器。采用了和最近发布的50D同样先进的的感应器设计和图像处理技术,而且拥有更高的分辨率和像素尺寸,EOS 5D Mark II 取得了迄今为止发布的所有EOS DSLR中最高的画质水平。” http://www.imaging-resource.com/PRODS/E5D2/E5D2A.HTM “......However, the Canon 5D II's chip sports new RGB color filters with an improved transmission rate. A couple of improvements from the Canon 50D's image sensor also make their way into the 5D Mark II's imager: an improvement in the per-pixel, light-sensitive area, and gapless microlenses. There's also been an improvement to the output amplifier, and Canon tells us that there are other unspecified improvements to the way the image is developed on-chip. These changes are all said to come together to mean a cleaner signal that requires less amplification.” -“......但是无敌兔的芯片运用了新的拥有更高的光线传输率的RGB滤色器。 两个在50D上的改进也应用到了无敌兔的感应器上:在每个像素的光线敏感区上的改进,以及无间隙微透镜。输出放大器也有改进,而且佳能告诉我们还有其他未说明的关于芯片的图像还原方式的改进。总而言之,这些改变一起意味着更干净的信号而需要少一些的放大。” “...... DIGIC 4 has 4-channel readout, and 14-bit Analog-to-Digital conversion. With all of these changes to the image capture and processing pipeline considered, Canon is making some very impressive claims about the EOS-5D Mark II, describing it to us as offering the highest image quality of any EOS digital SLR released to date, and noting that it offers noise levels significantly lower than those of the original 5D.” -“DIGIC 4 拥有4通道数据读取和14-bit ADC。 鉴于所有的这些关于图像获取和处理管道方面的改进,佳能做出了令人非常印象深刻的声称,将无敌兔描述为拥有迄今为止发布的所有EOS DSLR中最高的画质,并且说明无敌兔拥有比原来的5D明显更低的噪声。” ****** 就此看来,论画质,5D II “无敌兔”的美称像是受之无愧了! K!中毒了,不写了,再写我都感觉TND像枪手了! 等着看评测! ![]() [人来风 编辑于 2008-09-25 21:39] |
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[611 楼] ehandy
[陈年泡菜]
10-3-11 23:51
原文由 人来风 在2009-02-16 15:15发表 |
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[610 楼] seanetblue
[泡菜]
10-3-11 23:45
看看
[seanetblue 编辑于 2010-03-11 23:49] |
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[609 楼] sanqi2000
[泡菜]
09-3-29 11:12
其实是很不错的。
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[608 楼] sgl228
[资深泡菜]
09-3-29 10:58
画质的确不错。顶张。
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[607 楼] 多吃了三五口
[资深泡菜]
09-3-29 08:23
原文由 tieqiang 发表 表买水的 相差不大 |
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[606 楼] tieqiang
[泡菜]
09-3-28 22:23
今天在Canon上海公司展示厅用FZ30咔嚓了一张无敌兔想加入啊,不知水的多少米?
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[605 楼] 人来风
[资深泡菜]
09-3-28 16:57
有病啊你!
![]() 原文由 jyang047 发表 |
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[604 楼] 人来风
[资深泡菜]
09-3-28 16:56
还真差不多,不过除了A900, 其他三个几乎一样。
原文由 seanwan 发表 |
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[603 楼] jyang047
[泡菜]
09-3-24 09:48
突然想给5DII取个新名字:我的儿.我的儿,乖! 哈.....
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[602 楼] seanwan
[泡菜]
09-3-24 09:29
原文由 人来风 发表 从你这图上看, 这分数还是挺公正的。 |
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[601 楼] seanwan
[泡菜]
09-3-24 09:27
原文由 wenlun 发表 拍得不错。但是这么小的图啊,exif信息呢? |
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[600 楼] yunwuchen
[资深泡菜]
09-3-21 07:58
原文由 wenlun 发表 颜色不正 小画面看啥画质呦 |
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[599 楼] 人来风
[资深泡菜]
09-2-16 15:15
有些黄,
不知道是不是SD9的※※病。原文由 wenlun 发表 最大的差别是分辨率,据说SD14至多和1000万像素的马赛克机打平手。5DII这个应该是绝对优势了。 原文由 wenlun 发表 |
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[598 楼] wenlun
[泡菜]
09-2-16 02:08
5D2色彩很养眼很舒服,但看上去一点都不真实,这特点很适合东方人的个性,不求真。
当然,艺术嘛,不是简单的纪录,无可厚非啦。 |
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[597 楼] wenlun
[泡菜]
09-2-16 02:03
上张SD14的,画质怎样?
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[596 楼] waitbehind
[泡菜]
09-2-15 13:53
激烈滴争论,关注无敌兔改进后滴新机滴表现...呵呵
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[595 楼] 人来风
[资深泡菜]
09-2-14 15:03
DPreview的评测,俺闻风而出!
![]() Dpreiew的评价: http://www.dpreview.com/reviews/canoneos5Dmarkii/page40.asp "We have always placed a heavy emphasis on image quality, and all other things aside this means the 5D Mark II has to receive our highest rating......." "我们一贯把画质作为非常重要的考量,而其他方面的事情放在边上,也就是说, 5DII得到了我们的最高评价......" 如此看来,算是得到DPreview的高度肯定吧! --不看重多少个对焦点,不看重多少价钱,不看重外形多好看, 不看重机身的高级功能,就强调画质,“5D II EOS DSLR的最高画质”,名不虚传。 而坛友们关于5DII Vs. D700的一些对比和争执也该有点眉目了吧? 和2100万像素比,很明显,1200万像素就是1200万像素。 2100万像素的解析能力远超1200万,这是板上钉钉。 对比链接 5DII Vs. D700, JPEG: http://www.dpreview.com/reviews/canoneos5Dmarkii/page31.asp 5DII Vs. D700, RAW: http://www.dpreview.com/reviews/canoneos5Dmarkii/page35.asp [人来风 编辑于 2009-02-14 15:04] |
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[594 楼] 人来风
[资深泡菜]
09-1-23 22:59
http://www.imaging-resource.com/PRODS/E5D2/E5D2RAW.HTM
5D II、 1Ds III、D3X、A900 RAW ISO 比拼。DCRAW软件解raw文件完全不降噪比ACR等更真实反映相机的RAW表现。从图来看, 说 “5D II 代表迄今EOS DSLR的最高画质”,个人感觉可以接受。 |
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[593 楼] 人来风
[资深泡菜]
09-1-12 13:26
现在黑点风波伴随着新固件的发布而消减。回到画质,
http://www.dxomark.com/index.php/eng/DxOMark-Sensor/(appareil)/EOS-5D-Mark-II 感应器综合评分: A900 ____ 78.9 5D II ___ 79.0 1DS III _ 80.3 D700 ____ 80.5 D3 ______ 80.6 “EOS DSLR的最高画质”看来没有什么惊喜。似乎和大马三差不多吧,更像是大马三感应器“下放”的产品。 DIGIC 4 给予无敌兔 iso 25600的扩展是新东西,然而jpg直出片处理的非常让我不满,ISO 100 低反差部分的过度模糊是很难看的,简直的说,是向DC的水平看齐的大步倒退。也许这是D3/D700大像素高感优势给逼的. RAW片的清晰度没看出问题,和大马三差不多 |
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[592 楼] 人来风
[资深泡菜]
08-12-19 19:56
顶一下。
5D II 目前主要的两个问题就是“夜景灯光黑点问题”和 “sRAW1模式下的条纹问题”。后者是软件算法问题估计容易通过固件调整;前者比较复杂可能是和佳能在5D II“ ......the new sensor incorporates an improved output amplifier...... --新的图像感应器采用了新的输出放大器”有关。 http://international.com.com/8301-13580_3-10120964-39.html CNET有关文章中的例图通过ISO 100, 200 和 ISO 3200清楚地说明了黑点的程度和ISO的关系,ISO越高越明显。有可能ADC输出信号就已经有了“黑点”。不知道佳能多大程度上能解决这个问题。 继续关注“黑点” 。 |
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[591 楼] 人来风
[资深泡菜]
08-12-19 15:07
佳能澳大利亚网关于“夜景灯光黑点问题”以及“sRAW1模式下的条纹问题”发布信息:
http://www.canon.com.au/support/customer/default.asp?DXI=KnowledgeBase/Customer/KBArticleForm&File=KB01657&productID=eos5dmkII —————————————————————————————————————————— (以下转帖,详见上面的原链接为准) Support & Service Black dot phenomenon and Vertical banding noise Posted on: December 17, 2008 To Owners of the EOS 5D Mark II Digital SLR Camera : Thank you for using Canon products. We have learned that some users of the Canon EOS 5D Mark II digital SLR camera have indicated two types of image quality phenomena that appear under certain shooting conditions. 1. “Black dot” phenomenon (the right side of point light sources becomes black) 2. Vertical banding noise We are currently investigating ways to improve and/or mitigate these phenomena. An announcement will be made on the Canon Website when measures to address these phenomena have been decided. The phenomena are likely to occur under the following shooting conditions. 1. “Black dot” phenomenon (the right side of point light sources becomes black) When shooting night scenes, the right side of point light sources (such as lights from building windows) may become black. The phenomenon may become visible if the images are enlarged to 100% or above on a monitor or if large prints of the images are made. 2. Vertical banding noise If the recording format is set to sRAW1, vertical banding noise may become visible depending on the camera settings, subject, and background. The following camera settings can reduce the phenomenon. · Set the recording format to RAW or JPEG. · Set C.Fn II-3: Highlight tone priority to 0: Disable if the recording format is set to sRAW1. · The vertical banding noise is not noticeable if the recording format is set to sRAW2, but please set C.Fn II-3: Highlight tone priority to 0: Disable if you are concerned about noise. Canon always strives to provide the highest quality products to our customers. We apologize for any inconvenience these phenomena may have caused. We appreciate your kind patronage and support. ...... —————————————————————————————————————————— [人来风 编辑于 2008-12-19 15:08] |
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[590 楼] 人来风
[资深泡菜]
08-12-19 12:34
Ken Rockwell 谈关于“黑点问题”:
http://www.kenrockwell.com/canon/slrs/5d-mark-ii/black-pixels.htm "......This is caused by a combination of ringing in the analog circuitry that captures the analog data from the sensor, and the 5D Mark II's sharpening algorithms. ...... " 我想,上面提到的原因可能性很大,即, '由于模拟电路的振铃效应和图像锐化算法的综合表现' 。 这个原理对于懂模拟电子电路的朋友们可能容易理解和接受。 [人来风 编辑于 2008-12-19 12:34] |
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[589 楼] 人来风
[资深泡菜]
08-12-19 10:44
谢谢NickWolfe提供信息!
原文由 nickwolfe 发表 [人来风 编辑于 2008-12-19 10:45] |
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[588 楼] hnychnyc
[禁言中]
08-12-18 19:47
原文由 燕啤 发表 呵呵,真没想到丰胸的帖子还能有这功效 |
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[587 楼] 燕啤
[禁言中]
08-12-17 23:29
只能怪无敌兔出师不利, 不太争气。
原文由 ffxqxbj 发表 |
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[586 楼] 燕啤
[禁言中]
08-12-17 23:27
5DII,差不多吧,代表迄今EOS DSLR的最糟糕的画质! 栅格+黑点, 还不如入门机搞
的好。 我看风兄标题不用改,挺合适,好好寒碜寒碜假能,“最高画质”,这大瘪子嘬的山响!惭愧,惭愧,活儿没那么细,干嘛吹"最高画质"的牛哇? ![]() BTW,无敌兔猛虎下山,跑得急了点,无奈前腿短后腿长,摔了两跤! 希望无敌兔没有伤筋动骨。也希望如NickWolfe兄所说,即将推出的固件升级会予以弥补!原文由 hnychnyc 发表 |
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[585 楼] ffxqxbj
[资深泡菜]
08-12-17 23:13
日正过来看都是口水,闪。
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[584 楼] ffxqxbj
[资深泡菜]
08-12-17 23:10
进来看看最高画质,翻了几页没看见,原来看倒了,正过来看。
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[583 楼] redzht
[泡菜]
08-12-17 23:07
其实电子时代,竞争这么激烈,都想把机器早点上市,打击对手,争取市场份额,这种情况下,哪家的机器都会有一些问题。
但是象5DII这样大规模地出现各种问题,却是这些年来少有的事。从1D3的对焦系统问题到50D的ERR99,最终发展到5DII的大规模问题,一方面说明佳能软、硬件的研发方面、制造方面确实出现了一些问题,另一方面也反映出厂商把利润摆在用户利益之上、让首批用户做小白鼠的不道德行为。 [redzht 编辑于 2008-12-17 23:11] |
就是搞得人看着无敌兔心里怪怪的.有些纷乱无序。

