Black flower on the black background? It might not be the best idea for most of the photos you take, but it is an excellent practice in difficult lighting, similar to the picture of a white rose on the white background I did last year.
It didn't come out exactly the way I wanted.
First, I had to post-process the background, as it was too bright and too sharp for what I wanted to get.
Next, the flower center is not lit well enough in the center, and it is overblown at the edge.
Still, once I got to the 'good enough', I had to stop and finish. Resulting picture is close to what I had in my mind before I started shooting, which means that the goal was reached, even if it could be done better.

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Црна кала на црној подлози. Звучи као фото задатак који би ми Тата дао да решавам. Мислим да сам успео на крају, иако сам морао малкице да варам и користим компјутер где ми фото техника и стрпљење нису урадили посао.