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<p>[QUOTE=&quot;physics-fan3.14, post: 2227031, member: 19165&quot;]A much better choice, but....</p><p><br /></p><p>I probably should have mentioned this earlier. For coins, you really want a focal length a bit longer than that. Mark Goodman recommends around 100mm, or longer if possible.</p><p><br /></p><p>The problem you will have with the 40mm lens is that you won&#039;t be able to get enough light on the coin. With the lens very close to the coin, you limit the light - and if you pull it back farther the coin looks smaller.</p><p><br /></p><p>Sorry for not telling you that earlier <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie3" alt=":(" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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