Flower with black background

flower16_640px, originally uploaded by jaychitecson.

EXIF DATA
Camera: Canon EOS 1000D
Exposure: 0.01 sec (1/100)
Aperture: f/4.5
Focal Length: 74 mm
ISO Speed: 200
Exposure Bias: -2 EV
Flash: Flash did not fire

In this shot, I placed the subject on the foreground with some lighting from the sun. To make the black background, you must remove the light source at the back of the flower and in this case I made a shade which blocks the sunlight.