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<p>[QUOTE=&quot;Paul M., post: 2148343, member: 73165&quot;]Yep, I&#039;ve read that one.</p><p><br /></p><p><br /></p><p><br /></p><p>If you&#039;re referring to halogen bulbs when you say incandescent lights are still available, I&#039;m aware of that.&nbsp; They&#039;re about 28% more efficient than older incandescent bulbs, so you should modify wattage recommendations accordingly (e.g. 75 watt old style incandescent = 54 watt halogen incandescent; 100 watt old-style incandescent = 72 watt halogen incandescent).&nbsp; I haven&#039;t tried these bulbs, but I&#039;ve heard they&#039;re too harsh for coin grading.</p><p><br /></p><p>The other type of lamp I&#039;ve heard of is a tensor lamp.&nbsp; I have no real idea what that is or what its light is like.&nbsp; </p><p><br /></p><p>I know LED and fluorescent are right out.&nbsp; They don&#039;t provide the right color spectrum.</p><p><br /></p><p>But, that&#039;s about all I know.[/QUOTE]</p><p><br /></p>

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