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	<title>「DX與FF是甚麼？」的迴響</title>
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		<title>由：LP</title>
		<link>http://www.fotobeginner.com/1375/what-is-dx-ff/comment-page-1/#comment-2935</link>
		<dc:creator>LP</dc:creator>
		<pubDate>Thu, 10 Jun 2010 03:13:18 +0000</pubDate>
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		<description>No.

簡而言之，影響焦距既係片幅，而非鏡頭是DX或FX。所以你只需要bear in mind，一枝50mm放係DX機同FX會有不同。而枝50mm是DX鏡或FX鏡則不是重點。</description>
		<content:encoded><![CDATA[<p>No.</p>
<p>簡而言之，影響焦距既係片幅，而非鏡頭是DX或FX。所以你只需要bear in mind，一枝50mm放係DX機同FX會有不同。而枝50mm是DX鏡或FX鏡則不是重點。</p>
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		<title>由：kuen</title>
		<link>http://www.fotobeginner.com/1375/what-is-dx-ff/comment-page-1/#comment-2845</link>
		<dc:creator>kuen</dc:creator>
		<pubDate>Wed, 19 May 2010 16:48:29 +0000</pubDate>
		<guid isPermaLink="false">http://www.fotobeginner.com/?p=1375#comment-2845</guid>
		<description>如果這樣的話~我支DX18~55其實視角得27~82左右!
咁Tokina AT-X 124 PRO DX II 12-24mm f/4 II呢支鏡應該係FOR DX機用的(成像圈就返APS-C Size)
姐係有18-36mm視角!
咁我買支FX既廣角鏡係咪好D呢?(因為FX,DX我都要X1.5~&quot;我使用D60&quot;)
但支鏡會貴之外,我有能力上FF機時又用到~

另外想問現時既DC已去到24MM左右既焦距(換算FF機格式)
咁姐係已經比APS-C Size既機用KIT鏡(18~55)影得更闊?</description>
		<content:encoded><![CDATA[<p>如果這樣的話~我支DX18~55其實視角得27~82左右!<br />
咁Tokina AT-X 124 PRO DX II 12-24mm f/4 II呢支鏡應該係FOR DX機用的(成像圈就返APS-C Size)<br />
姐係有18-36mm視角!<br />
咁我買支FX既廣角鏡係咪好D呢?(因為FX,DX我都要X1.5~"我使用D60")<br />
但支鏡會貴之外,我有能力上FF機時又用到~</p>
<p>另外想問現時既DC已去到24MM左右既焦距(換算FF機格式)<br />
咁姐係已經比APS-C Size既機用KIT鏡(18~55)影得更闊?</p>
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		<title>由：Arthur</title>
		<link>http://www.fotobeginner.com/1375/what-is-dx-ff/comment-page-1/#comment-2837</link>
		<dc:creator>Arthur</dc:creator>
		<pubDate>Tue, 18 May 2010 15:51:17 +0000</pubDate>
		<guid isPermaLink="false">http://www.fotobeginner.com/?p=1375#comment-2837</guid>
		<description>D60 的 18mm 跟 D700 的 18mm 是不一樣的
因為 D700 為 35mm Full Frame, 但 D60 是 APS-C Size,
而 APS-C Size 的尺寸是小於 35mm Full Frame,
因此視野變小, 令焦距要 1.5x, 其原理與在 Photoshop 把圖片裁切一樣

而閣下所指的&quot;Tokina AT-X 124 PRO DX II 12-24mm f/4 II &quot;,
此鏡由於焦距較短, 因此在 12-17mm 時拍攝出的視野角度較 18mm 為廣闊
但注意的是 12-24mm 應用在 APS-C 尺寸的感光元件時, 焦距會轉換成 35mm 尺寸的 18-36mm

閣下可看看此文章:
http://www.fotobeginner.com/248/what-is-full-frame/</description>
		<content:encoded><![CDATA[<p>D60 的 18mm 跟 D700 的 18mm 是不一樣的<br />
因為 D700 為 35mm Full Frame, 但 D60 是 APS-C Size,<br />
而 APS-C Size 的尺寸是小於 35mm Full Frame,<br />
因此視野變小, 令焦距要 1.5x, 其原理與在 Photoshop 把圖片裁切一樣</p>
<p>而閣下所指的"Tokina AT-X 124 PRO DX II 12-24mm f/4 II ",<br />
此鏡由於焦距較短, 因此在 12-17mm 時拍攝出的視野角度較 18mm 為廣闊<br />
但注意的是 12-24mm 應用在 APS-C 尺寸的感光元件時, 焦距會轉換成 35mm 尺寸的 18-36mm</p>
<p>閣下可看看此文章:<br />
<a href="http://www.fotobeginner.com/248/what-is-full-frame/" rel="nofollow">http://www.fotobeginner.com/248/what-is-full-frame/</a></p>
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		<title>由：kuen</title>
		<link>http://www.fotobeginner.com/1375/what-is-dx-ff/comment-page-1/#comment-2830</link>
		<dc:creator>kuen</dc:creator>
		<pubDate>Tue, 18 May 2010 07:59:27 +0000</pubDate>
		<guid isPermaLink="false">http://www.fotobeginner.com/?p=1375#comment-2830</guid>
		<description>我用D60(DX)的~KIT鏡上的18~55(DX鏡)這數字於18MM時
是不是&quot;視角&quot;同用一部D700(FX)裝上一支有18MM焦距既(FX鏡)
一樣?
如果&quot;是&quot;的話我用&quot;Tokina AT-X 124 PRO DX II 12-24mm f/4 II &quot;
(呢支鏡應該係FOR DX機用的)
裝在D60上使用是不是比18~55影得更廣呢?</description>
		<content:encoded><![CDATA[<p>我用D60(DX)的~KIT鏡上的18~55(DX鏡)這數字於18MM時<br />
是不是"視角"同用一部D700(FX)裝上一支有18MM焦距既(FX鏡)<br />
一樣?<br />
如果"是"的話我用"Tokina AT-X 124 PRO DX II 12-24mm f/4 II "<br />
(呢支鏡應該係FOR DX機用的)<br />
裝在D60上使用是不是比18~55影得更廣呢?</p>
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	<item>
		<title>由：bernie</title>
		<link>http://www.fotobeginner.com/1375/what-is-dx-ff/comment-page-1/#comment-2570</link>
		<dc:creator>bernie</dc:creator>
		<pubDate>Fri, 09 Apr 2010 03:02:47 +0000</pubDate>
		<guid isPermaLink="false">http://www.fotobeginner.com/?p=1375#comment-2570</guid>
		<description>I&#039;m using D300S.
This means that if I use a non-DX lens on it, the focal length will be extended by 1.5x (I read it somewhere).  However, if I use a DX lens, the focal length will be the same as labelled, right?
e.g.
Nikon AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR (so it really is 16-85mm)?
Nikon AF 24-50mm (so it becomes roughly 36-75mm)?

Tks in advance.</description>
		<content:encoded><![CDATA[<p>I'm using D300S.<br />
This means that if I use a non-DX lens on it, the focal length will be extended by 1.5x (I read it somewhere).  However, if I use a DX lens, the focal length will be the same as labelled, right?<br />
e.g.<br />
Nikon AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR (so it really is 16-85mm)?<br />
Nikon AF 24-50mm (so it becomes roughly 36-75mm)?</p>
<p>Tks in advance.</p>
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