Saturday, January 31, 2009

DEPTH OF FIELD

Shooting data: Shutter 1/640, f=13, ISO=400
PLEASE CLICK ON THE PHOTOS
Lens opening is medium and the photograph is in satisfactory focus.
What is seen at a distance is the southern border of the city of New Plymouth NZ. The chimney of the power station is visible, which is a land mark. The mount next to the chimney is called Paritutu Island. If you click on it you can see more details such as some cows grazing at a distance, vineyards on the front left and grass paddocks of a typical New Zealand scene
There is no photographic value in this photo, but to demonstrate the depth of field.
Shooting data; shutter 1/400, f=14, ISO=320
This rose is about 4.5" in diameter. As the aperture is of the medium range it is in satisfactory focus.

Pom-pom flower Shooting data: shutter 1/2000 f=3.5 ISO=400 As the aperture is wide at 3.5, only part of the flower is in focus. Shooting data: shutter 1/90, f=40, ISO=800 As the aperture is small the whole flower is in focus. Had to increase the sensitivity of the CCD to ISO 800 to increase the clarity of the photo.

THERE IS NO ROYALTY: ANYONE CAN USE THESE PHOTOS.

1 comment:

Madhuranga Rathnayake said...

ආධුනිකයන්ට ඉතාම වටින ලිපියක්...
ඉදිරියටත් අපේ ෆොටෝ බ්ලොග් වලටත් ඇවිත් ඒවායෙ අඩුපාඩු පෙන්නලා දෙන්න කියලා නිහතමානීව ආරාධනා කරනවා....

ජය෴