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	<title>stephenyeong&#039;s blog &#187; 攝影</title>
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	<description>Blog about my IT life</description>
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		<title>買相機</title>
		<link>http://www.stephenyeong.idv.hk/wp/2011/12/search-before-buy-dc/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2011/12/search-before-buy-dc/#comments</comments>
		<pubDate>Tue, 27 Dec 2011 04:08:51 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[其他]]></category>
		<category><![CDATA[攝影]]></category>
		<category><![CDATA[DSLR]]></category>
		<category><![CDATA[DXOMark]]></category>
		<category><![CDATA[snapsort.com]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=961</guid>
		<description><![CDATA[因為一些原因，要買一部價錢just below $5000的相機。在沒有任何消費雜誌在手的情況下，只好上網找。 1. 先從價格入手，到www.price.com.hk 找 $5000 以下的相機。由於想質素比較好，所以只在 “DSLR 數碼單鏡反光相機” 內找。 原來這個價位最熱門的頭五位，全部是可換鏡無反相機 （無反當單反？？）。 2. 走去對比Review，Google 到一個很好的網站可以提供更多深入比對。 http://snapsort.com/compare/Olympus-E-PL3-vs-Sony-NEX-C3  這個Website 有好多平時覺得重要但沒有在產品規格上清楚列名的資訊。 例如Shutter lag, battery life, image quality 而這個Website Image quality 分數以 DXOMark 為基楚。 DXOMark - http://www.dxomark.com/index.php/About/In-depth-measurements/Measurements DXOMark 基於3個因素 Portrait Score (color depth) Landscape Score (dynamic range) Sports Score (low-light ISO) The Sensor Overall Score is an average of the Portrait Score based on color [...]]]></description>
			<content:encoded><![CDATA[<fb:like href='http://www.stephenyeong.idv.hk/wp/2011/12/search-before-buy-dc/' send='false' layout='standard' show_faces='true' width='450' height='65' action='like' colorscheme='light' font='lucida+grande'></fb:like><p>因為一些原因，要買一部價錢just below $5000的相機。在沒有任何消費雜誌在手的情況下，只好上網找。</p>
<p>1. 先從價格入手，到www.price.com.hk 找 $5000 以下的相機。由於想質素比較好，所以只在 “DSLR 數碼單鏡反光相機” 內找。<br />
原來這個價位最熱門的頭五位，全部是可換鏡無反相機 （無反當單反？？）。</p>
<p>2. 走去對比Review，Google 到一個很好的網站可以提供更多深入比對。<br />
<a href="http://snapsort.com/compare/Olympus-E-PL3-vs-Sony-NEX-C3">http://snapsort.com/compare/Olympus-E-PL3-vs-Sony-NEX-C3 </a></p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2011/12/Screen-Shot-2011-12-27-at-10.51.16-AM.png" rel="lightbox[961]" title="Screen Shot 2011-12-27 at 10.51.16 AM"><img class="alignnone size-medium wp-image-962" title="Screen Shot 2011-12-27 at 10.51.16 AM" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2011/12/Screen-Shot-2011-12-27-at-10.51.16-AM-300x233.png" alt="" width="300" height="233" /></a></p>
<p>這個Website 有好多平時覺得重要但沒有在產品規格上清楚列名的資訊。</p>
<p>例如Shutter lag, battery life, image quality</p>
<p>而這個Website Image quality 分數以 <a title="While other websites publish information about JPEG image quality, only DxO Labs provides the first publicly-accessible database of objective and in-depth RAW sensor image quality measurements." href="http://www.dxomark.com/" rel="nofollow">DXOMark</a> 為基楚。</p>
<p><a title="While other websites publish information about JPEG image quality, only DxO Labs provides the first publicly-accessible database of objective and in-depth RAW sensor image quality measurements." href="http://www.dxomark.com/" rel="nofollow">DXOMark</a> - <a href="http://www.dxomark.com/index.php/About/In-depth-measurements/Measurements">http://www.dxomark.com/index.php/About/In-depth-measurements/Measurements</a></p>
<p>DXOMark 基於3個因素</p>
<ol>
<li>Portrait Score (color depth)</li>
<li>Landscape Score (dynamic range)</li>
<li>Sports Score (low-light ISO)</li>
</ol>
<blockquote><p>The Sensor Overall Score is an average of the <a href="http://www.dxomark.com/index.php/About/Sensor-scores/Use-Case-Scores#Portrait" target="_self">Portrait Score</a> based on color depth, the <a href="http://www.dxomark.com/index.php/About/Sensor-scores/Use-Case-Scores#Landscape" target="_self">Landscape Score</a> based on dynamic range, and the <a href="http://www.dxomark.com/index.php/About/Sensor-scores/Use-Case-Scores#Sports" target="_self">Sports Score</a> based on low-light ISO</p></blockquote>
<p>其中 Sports Score 是最高可用ISO值。定議最高能提供 30dB SNR的ISO。30dB SNR 足夠提供 9 EV Steps 及 18bit 的色深。</p>
<blockquote><p>Thus low-light ISO is the highest ISO setting for a camera that allows it to achieve an SNR of 30dB while keeping a good dynamic range of 9 EVs and a color depth of 18bits.</p></blockquote>
<p>以下是將 price.com.hk 找到$5000 以下最熱門 DSLR 中的頭3位在DxOMark.com中對比的結果。<a href="http://www.dxomark.com/index.php/Cameras/Compare-Camera-Sensors/Compare-cameras-side-by-side/(appareil1)/724|0/(brand)/Olympus/(appareil2)/763|0/(brand2)/Panasonic/(appareil3)/715|0/(brand3)/Sony">LINK</a></p>
<p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2011/12/Screen-Shot-2011-12-29-at-1.38.27-AM.png" rel="lightbox[961]" title="Screen Shot 2011-12-29 at 1.38.27 AM"><img class="alignnone  wp-image-968" title="Screen Shot 2011-12-29 at 1.38.27 AM" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2011/12/Screen-Shot-2011-12-29-at-1.38.27-AM.png" alt="" width="606" height="489" /></a></p>
<p>很明顯是APS-C片幅的SONY NEX-C3 在所有測試中表現最出衆，最後當然選擇了 SONY NEX-C3.</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
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		<title>Datacenter Gallary</title>
		<link>http://www.stephenyeong.idv.hk/wp/2009/10/datacenter-gallary/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2009/10/datacenter-gallary/#comments</comments>
		<pubDate>Tue, 13 Oct 2009 14:00:57 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[其他]]></category>
		<category><![CDATA[攝影]]></category>

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		<title>試影拉爆</title>
		<link>http://www.stephenyeong.idv.hk/wp/2009/09/test-shot/</link>
		<comments>http://www.stephenyeong.idv.hk/wp/2009/09/test-shot/#comments</comments>
		<pubDate>Sat, 26 Sep 2009 01:07:04 +0000</pubDate>
		<dc:creator>stephenyeong</dc:creator>
				<category><![CDATA[攝影]]></category>

		<guid isPermaLink="false">http://www.stephenyeong.idv.hk/wp/?p=134</guid>
		<description><![CDATA[有點難, 好彩DSLR不需沖晒 :&#62;]]></description>
			<content:encoded><![CDATA[<fb:like href='http://www.stephenyeong.idv.hk/wp/2009/09/test-shot/' send='false' layout='standard' show_faces='true' width='450' height='65' action='like' colorscheme='light' font='lucida+grande'></fb:like><p><a href="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2009/09/DSC5265.jpg" rel="lightbox[134]" title="_DSC5265"><img class="alignnone size-medium wp-image-135" title="_DSC5265" src="http://www.stephenyeong.idv.hk/wp/wp-content/uploads/2009/09/DSC5265-300x199.jpg" alt="_DSC5265" width="300" height="199" /></a></p>
<p>有點難, 好彩DSLR不需沖晒 :&gt;</p>
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