Stoopid question: What is "Dx"?
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#2-3 Nice for a text only logo. The script type for the "Fine Art ..." is close but maybe a little more formal (but not wedding invitation formal). Don't care for the type on my name. More traditional/formal there, please.
#4 is a nice idea, but not my taste. Don't care for the type, and the "mirroring" of the text doesn't have context, like a lens.
Thank you!