Especially since the focus is spot on. I guess you wanted the window (and beyond) to be in focus and not the iris.
thanks for sharing
my post was meant slightly different :
I was asking for an image that contains as little color/structure as possible.
but anyway ... it's a cool picture and that's what counts.
Not the type of photography I typically engage in, but I'll play. Though the picture doesn't have to be macro to qualify, and given that yourr shot far surpasses mine in minimalistic perspective, I'll offer the first quick snapshot I took recently with my new (to me) 105mm Dine macro (a handheld, pop-up flash picture of the lens cap) ...