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<p>[QUOTE=&quot;jtlee321, post: 2259631, member: 73983&quot;]I&#039;d say the top images are the better ones.&nbsp; They were lit with multiple lights versus the bottom images which was a single light source.&nbsp; Not sure why they photographer lit the obverse from below and the reverse from the left on that second set.</p><p><br /></p><p>[USER=19165]@physics-fan3.14[/USER]&nbsp; Don&#039;t go to f8.&nbsp; I&#039;m not sure how much of your frame your filling, but if it&#039;s close to filling it, then the magnification your working with is actually increasing the effective aperture.&nbsp; The settings on your camera might be f5 but when you are at a 1:1 magnification your effective aperture is closer to f11.&nbsp; If you set your lens aperture to f8 and shoot at a magnification of 1:1 then your effective aperture is actually f16.&nbsp; At that point you will be introducing a lot more distortion from diffraction than you&#039;ll gain with increased depth of field.</p><p><br /></p><p>On smaller coins such as dimes and half dimes, I&#039;ll shoot with an aperture of f4 - f5.6 and take two shots.&nbsp; The first shot is focused at the top most surface of the coin and the second shot is focused at the fields of the coin.&nbsp; I then use Photoshop to merge the two exposures to create a focus stacked image.&nbsp; The end result is superior to increasing your aperture and introducing diffraction.</p><p><br /></p><p>Long story short, stick to the f4 - f5.6 aperture setting for smaller coins.&nbsp; Larger coins such as Dollars you can go to f8.[/QUOTE]</p><p><br /></p>

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