I've tried to condense the info I've been able to distill from experience, other comments, etc. regarding to lights, lighting, etc. on my blog.
Orchids by Ross: Lighting Issues Sorry if this is wrong spot for this entry, but it's not about the blog, but about the entry.
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Ross
http://orchids-ross.blogspot.com/
I don't do most Dendros or large, "floofy orchids". For me it's minis (like Angraecoides), Masdies, Paphs, and others that crept in somewhere along the line. See my orchid list for complete collection (usually not current.)