Friday, 25 January 2019

Aperture, Shutter Speed and ISO

These two apples were photographed with the Sigma 18-35mm F1.8 DC HSM | A lens zoomed to 35mm with an F2.8 aperture for shallow depth of field. Notice how just a sliver of the leaf and near apple is on the focal plane. The front apple is about a foot from the lens, with the farther apple nine inches behind. The back wall with the very soft shadow is ten feet from the camera.  1/40 F2.8 ISO 400, continuous lighting. F2.8
Image result for photos shot with 16 aperture F16
1.Eyes.
2. The smaller the Aperture number, the bigger the Aperture size.
3. Depth of Field is the amount of the photograph that appears clear from front to back.
Fast Shutter Speed             Long Shutter Speed   
Image result for photos in fast and slow shutter speeds
1.
A.  Fast
B. Fast
C. Medium
D. Fast
E. Fast
F. Fast

A. Long
B. Long
C. Medium
D. Long
E. Long
F. Long
2.
A. Auto mode does the Shutter speed for you.
B. Shutter priority lets you change the shutter speed and the aperture mode is selected automatically.
C. Manual lets you change both the shutter speed and aperture mode.
1. The higher ISO brightens the image more.
2. Use low ISO when  there is more light exposure and low motion blur.
3. Use high ISO when there is less light exposure and high motion blur.


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