It could be called a number of things. "A good photograph" would be the most common one. "Luck" might be used in the case of someone who doesn't have particularly high skills in Photography.
When people have their photograph taken, they are said to be posing.
A picture or likeness obtained by photography., To take a picture or likeness of by means of photography; as, to photograph a view; to photograph a group., To practice photography; to take photographs.
Its called a "Photo Bomb"
A photograph of a specimen taken through a compound light microscope is called a photomicrograph.
meiosis
A photograph.
A Photograph
simplicity is a close up of the subject in the photograph. it must take most of the space in the photograph too.
Enlarging or resizing
It is called a micrograph.
weird
a camera or smart phone