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	<title>Cameras Rock &#187; Camera Lens</title>
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		<title>Canon EF 70-200mm f/2.8L IS II USM</title>
		<link>http://www.camerasrock.com/canon-ef-70-200mm-f2-8l-is-ii-usm/</link>
		<comments>http://www.camerasrock.com/canon-ef-70-200mm-f2-8l-is-ii-usm/#comments</comments>
		<pubDate>Tue, 05 Jan 2010 08:31:58 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Camera Lens]]></category>
		<category><![CDATA[Canon]]></category>
		<category><![CDATA[Lens]]></category>

		<guid isPermaLink="false">http://www.camerasrock.com/?p=266</guid>
		<description><![CDATA[
The EF70-200mm f/2.8L IS USM was introduced in 2001. Ever since, it has been the high performance telephoto zoom lens of choice of most professional and advanced photographers because of the value it provided in the various fields of photography such as photojournalism and sports photography. The EF70-200mm f/2.8L IS II USM is an upgrade [...]]]></description>
			<content:encoded><![CDATA[<p><img class="alignnone size-full wp-image-268" title="l223_slant_without_cap" src="http://www.camerasrock.com/wp-content/uploads/2010/02/l223_slant_without_cap.jpg" alt="l223_slant_without_cap" width="500" height="375" /></p>
<p>The EF70-200mm f/2.8L IS USM was introduced in 2001. Ever since, it has been the high performance telephoto zoom lens of choice of most professional and advanced photographers because of the value it provided in the various fields of photography such as photojournalism and sports photography. The <strong>EF70-200mm f/2.8L IS II USM</strong> is an upgrade of the older model. It is designed with higher quality optics and it is designed to sustain tough weather conditions. <span id="more-266"></span></p>
<p><img class="alignnone size-full wp-image-267" title="l223_side_without_cap" src="http://www.camerasrock.com/wp-content/uploads/2010/02/l223_side_without_cap.jpg" alt="l223_side_without_cap" width="500" height="375" /></p>
<p>A large diameter f/2.8 lens offering telephoto 70-200mm focal range, the EF70-200mm f/2.8L IS II USM offers premium build quality expected of a Canon L lens, with four-stop image stabilization, minimum focus distance of 1.2m over the entirety of its zoom range, and a combination of flourite and UD lens elements for best quality images.</p>
<p><strong>Higher optical performance</strong><br />
Compared to the older models, the <strong>EF70-200mm f/2.8L IS II USM</strong> consists of at least 23 lens elements in 19 groups. This means that this new lens offers greater image quality throughout the whole zoom range.</p>
<p>The flourite lens element used in this lens cuts the chromatic aberration (both axial and magnification type of chromatic aberration) to a minimum. Coatings and lens disposition have been optimized to cut flare and ghosting.</p>
<p><strong>Excellent Performance: High Speed AF, 4-stop IS</strong><br />
Its ring USM drive and high speed CPU with improved AF algorithm offers fast and quiet auto focusing. The ultra-compact stepping motor (USM) and friction-reducing mechanisms has been incorporated in this lens. These innovations give the lens  4-stop advantage with IS switched on. The lens also features manual focusing.</p>
<p><strong>Reliable in tough conditions</strong><br />
The <strong>EF70-200mm f/2.8L IS II USM</strong> features a magnesium alloy construction for its main components. The fixed barrel has been strengthened. Water proofing and dust has been improved to make the use of the lens suitable in harsh weather conditions.</p>
<p><strong>Specifications</strong></p>
<table border="0">
<tbody>
<tr style="text-align: left;">
<th width="158">Focal  length</th>
<td width="374" valign="top"><span class="tdcontentsm">70-200mm</span></td>
</tr>
<tr style="text-align: left;">
<th> Diagonal Angle of view</th>
<td valign="top">34º  &#8211; 12º</td>
</tr>
<tr style="text-align: left;">
<th>Maximum aperture</th>
<td valign="top">F2.8</td>
</tr>
<tr style="text-align: left;">
<th>Minimum aperture</th>
<td valign="top">F32</td>
</tr>
<tr style="text-align: left;">
<th valign="top">Lens Construction</th>
<td valign="top">• 23  elements/19 groups</p>
<p>• 1 Fluorite element</p>
<p>• 5 UD glass elements</td>
</tr>
<tr style="text-align: left;">
<th>Number of diaphragm blades</th>
<td valign="top">8</td>
</tr>
<tr style="text-align: left;">
<th>Minimum  focus</th>
<td valign="top">1.2m  (47&#8243;)</td>
</tr>
<tr style="text-align: left;">
<th valign="top">Focus Motor Type</th>
<td valign="top">• Ring-type Ultrasonic Motor</p>
<p>• Full-time manual focus</td>
</tr>
<tr style="text-align: left;">
<th>Maximum  Magnification Ratio</th>
<td valign="top">0.21x</td>
</tr>
<tr style="text-align: left;">
<th valign="top">Image  stabilization</th>
<td valign="top">• 4 stops claimed benefit</p>
<p>• Normal and panning modes</td>
</tr>
<tr style="text-align: left;">
<th>Filter  thread</th>
<td valign="top">• 77mm</td>
</tr>
<tr style="text-align: left;">
<th valign="top">Supplied accessories</th>
<td valign="top"><span class="tdcontentsm">• </span> Front and rear caps</p>
<p>• ET-87 Lens  Hood</p>
<p>• Tripod mount ring</p>
<p>• LZ1326 Lens Case</td>
</tr>
<tr style="text-align: left;">
<th>Weight</th>
<td valign="top">1490g (3.28 lb)</td>
</tr>
<tr style="text-align: left;">
<th valign="top">Dimensions</th>
<td valign="top" >89mm  diameter x 199mm length</p>
<p>(3.5 x 7.8 inches)</td>
</tr>
<tr style="text-align: left;">
<th>Lens Mount</th>
<td valign="top">Canon EF only</td>
</tr>
<tr style="text-align: left;">
<th valign="top">Other</th>
<td valign="top">• Dust and moisture sealing</p>
<p>• Supplies distance information for E-TTL II flash   metering</td>
</tr>
</tbody>
</table>
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		<item>
		<title>Olympus ED 14-42mm f/3.5-5.6 Lens for Olympus Digital SLR Cameras</title>
		<link>http://www.camerasrock.com/olympus-ed-14-42mm-f3-5-5-6/</link>
		<comments>http://www.camerasrock.com/olympus-ed-14-42mm-f3-5-5-6/#comments</comments>
		<pubDate>Thu, 09 Jul 2009 13:06:49 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Camera Lens]]></category>
		<category><![CDATA[Olympus]]></category>

		<guid isPermaLink="false">http://www.camerasrock.com/olympus-ed-14-42mm-f3-5-5-6-lens-for-olympus-digital-slr-cameras/</guid>
		<description><![CDATA[
This 3x standard zoom lens is the smallest and lightest in its class and features a closest focusing distance of only 25cm. The ED (Extra-low Dispersion) and two aspherical lens elements correct aberrations without increasing lens dimensions. The circular aperture diaphragm enables beautiful defocusing &#8211; one of the big advantages of this lens. Excellent mobility [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.amazon.com/Olympus-14-42mm-3-5-5-6-Digital-Cameras/dp/B000Q68PQY/ref=sr_1_4/186-2381529-5020155?ie=UTF8&#038;s=sporting-goods&#038;qid=1246814098&#038;sr=8-4?ie=UTF8&#038;tag=accup-20"><img style="float:left;width: 150px;height:150px;margin-right: 10px;" src="http://ecx.images-amazon.com/images/I/31RczMz8dSL._SL500_AA240_.jpg" alt="Olympus ED 14-42mm f/3.5-5.6 Lens for Olympus Digital SLR Cameras" /></a></p>
<p>This 3x standard zoom lens is the smallest and lightest in its class and features a closest focusing distance of only 25cm. The ED (Extra-low Dispersion) and two aspherical lens elements correct aberrations without increasing lens dimensions. The circular aperture diaphragm enables beautiful defocusing &#8211; one of the big advantages of this lens. Excellent mobility is assured by a weight of less than 190 grams. </p>
<p><span id="more-53"></span></p>
<p><strong>Specifications</strong></p>
<p><strong>Lens Type:</strong> Zoom lens<br />
<strong>Lens construction:</strong> 10 Elements in 8 Groups, (including ED lens &#038; 2 Aspherical lenses)<br />
<strong>Mounting Type:</strong> Four Thirds<br />
<strong>Minimum focal length:</strong> 14 millimeters<br />
<strong>Maximum focal length</strong>: 42 millimeters<br />
<strong>Minimum Focal Range:</strong> 9.8 inches<br />
<strong>Maximum aperture range:</strong> F/3.5-5.6<br />
<strong>Camera Magnify Power:</strong> 0.19<br />
<strong>lens system special functions:</strong> Zoom</p>
<p><strong>Focus Type:</strong><br />
auto-focus<br />
manual-focus</p>
<p><strong>Real Angle Of View:</strong> 75<br />
<strong>Weight:</strong> 6.7 Ounces<br />
<strong>Item Display Diameter:</strong> 2.6 inches<br />
<strong>Length:</strong> 2 inches</p>
<p><a href="http://www.amazon.com/Olympus-14-42mm-3-5-5-6-Digital-Cameras/dp/B000Q68PQY/ref=sr_1_4/186-2381529-5020155?ie=UTF8&#038;s=sporting-goods&#038;qid=1246814098&#038;sr=8-4?ie=UTF8&#038;tag=accup-20" title="More at Amazon" rel="nofollow"><strong>Buy an Olympus ED 14-42mm Lens!</strong></a></p>
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