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<p>[QUOTE=&quot;dougsmit, post: 2607640, member: 19463&quot;]Because my camera is full frame (24x36mm sensor) a lens like my 100mm macro that stops at 1:1 only fills the frame with coins ~24mm or larger the advantage gained by a full frame camera is lost unless you add extension tubes.&nbsp; I do.&nbsp; </p><p><br /></p><p>To give any meaningful opinion, I would have to see a range of sample images taken with your current camera and extender rings.&nbsp; It would help to mention at what focal length and aperture were used and what distance was between the lens and coin.&nbsp; A shot of the rig might help also.&nbsp; The big question is whether you have reached the limits of the equipment or whether upgrading the lens would reveal the same problems.&nbsp; For example, photos showing camera motion look equally bad whatever lens was used.[/QUOTE]</p><p><br /></p>

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