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<p>[QUOTE="nuMRmatist, post: 4599864, member: 33012"]... either put car wax on the slab, or [microscope lens] Immersion Oil. Sometimes, you can get a good pic even with some Armor All.</p><p><br /></p><p>Light diffracts much less with these substances on the plastic's surface.</p><p><br /></p><p>Old, scratched CD's / DVD's ? Same treatment - the optical / laser reader gets a better 'read', when the polycarbonate has 'assistance' conducting light to the digitized media (the coin too) within.[/QUOTE]</p><p><br /></p>
[QUOTE="nuMRmatist, post: 4599864, member: 33012"]... either put car wax on the slab, or [microscope lens] Immersion Oil. Sometimes, you can get a good pic even with some Armor All. Light diffracts much less with these substances on the plastic's surface. Old, scratched CD's / DVD's ? Same treatment - the optical / laser reader gets a better 'read', when the polycarbonate has 'assistance' conducting light to the digitized media (the coin too) within.[/QUOTE]
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If you're posting pics of slabs ...
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