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<p>[QUOTE=&quot;robec, post: 2611433, member: 19094&quot;]I have a Canon 100mm macro and a Canon 180mm macro. Between the two I have used the 100mm 95% of the time. I get sharper, better focus images with the 100.</p><p><br /></p><p>I have never heard of more people using the 180 over the 100. I think it&#039;s actually the other way around.</p><p><br /></p><p>With the cost of a 180 being double or triple the cost of the 100, I would stick with the 100. Especially if the results are better with the 100.</p><p><br /></p><p>I&#039;ve also owned a Sigma 150mm macro with results similar to the 180. Larger isn&#039;t always better.</p><p><br /></p><p>The fact is I receive as good, if not better results from the smallest lens in the photo below, a Rodenstock Apo-Rodagon D 1:4 f=75mm used with microscope stand and bellows.</p><p><br /></p><p>Below:</p><p>180mm left, 100mm center and Rodenstock 75mm on the right.</p><p><br /></p><p><img src="http://www.robecsimages.com/photos/Misc/DSC01164.JPG" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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