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The Exposure Triangle, Part II: What Is “Exposure” and What Is A “Stop”?

Each of the three parts of this photograph, from left to right, denotes a one stop increase (a doubling of the amount of light) in the exposure.

“Exposure” and “Stop” Explained:

In Part I of “The Exposure Triangle” (see that article here) we established the essential definitions of Aperture (f-number), Shutter Speed, and ISO.

But, two vitally important questions must be answered if we want to gain complete control over our camera’s settings:  1) What is the exposure of  a photograph, and 2) How do we measure what happens to exposure when you raise or lower Aperture, Shutter Speed, and ISO? …

The Exposure Triangle: Aperture, ISO, and Shutter Speed Explained

The Exposure Triangle 

Are you one of the many photographers who prefer to shoot in fully automatic mode, but are curious about learning how to manually control your camera’s settings?  If you are, then learning about The Exposure Triangle is an essential piece to the puzzle.

My Latest Visit to Kilgore Falls

Single exposure. Nikon D810, Nikkor 24mm f/1.4 at f/8, ISO 64, 50s. Singh-Ray 5 Stop ND filter was used to slow down exposure.  Also, to give the image that subtly soft appearance, I used the Singh-Ray Tony Sweet Soft-Ray Diffusion filter. (Click on the image for full size)

I recently made a brief trip over to my favorite local stomping ground, Kilgore Falls.  And by brief, I mean I had time to fire off a grand total of four shots.

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