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<p>[QUOTE=&quot;Beefer518, post: 3052434, member: 87737&quot;]For macro work, I really would recommend manual focus, and 2 stops up from wide open (usually a lens&#039;s sweet spot).</p><p><br /></p><p>I&#039;m using a Canon 50D, and was using the Canon 100mm f/2.8 macro (Non USM, Non-L). I recently switched over to the Micro-Nikkor 105mm f/4, as the Canon had way too much CA. So bad in fact, that some thought one of my coins had verdigris, but it was the green CA. The Micro-Nikkor has not had any CA issues, and I&#039;m enjoying it so far. </p><p><br /></p><p>I also have a Mamiya 120 A Macro, and have yet to try and use that for coins. Maybe that&#039;ll be something to do tonight. I&#039;m just thinking it may have too much working room, but we&#039;ll see.</p><p><br /></p><p>I&#039;ve also played around with different light sources. I&#039;m one of the oddball guys that will use flash for coins. I have a Sunpak ringlight with an angle light, and that&#039;s been the best for showing luster, but can blow out the highlights. A few months ago I started using 2 $5 LED desklamps from Walmart, and they have been quite satisfactory.</p><p><br /></p><p>I have a few coins I&#039;ve been meaning to re-shoot, so maybe tonight I&#039;ll run some experimental shots with different lenses and lighting.[/QUOTE]</p><p><br /></p>

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