Actually the inside base of a red tulip. I don't have a macro lens but my 18-55mm kit lens can focus down to just a few inches. I had my D40 on my Manfrotto tripod with a ball head installed. No flash. Only PP is a slight crop. Hope you like it.
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Mike
D40
18-55mm, 55-200mm, 300mm f/4
SB400
Argus C3