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Speedlight Basics:Guide Numbers, Calibration and Application
Michael E. SternPhotographer Educator Radio Host Author
818-422-0696
Build A Better Photograph Dot Com
Power Ratios
1Sunday, November 13, 2011
Speedlight Basics:
Michael E. SternPhotographer Educator Radio Host Author
818-422-0696
Build A Better Photograph Dot Com
Power Ratios control the amount of power that your flash unit delivers when you are shooting in manual flash mode.
Power Ratios
2Sunday, November 13, 2011
Speedlight Basics:
Michael E. SternPhotographer Educator Radio Host Author
818-422-0696
Build A Better Photograph Dot Com
Power Ratios are expressed as fractions:1/1 = full power1/2 = half power1/4 = quarter power1/8 = eighth power1/16 = _________?
Power Ratios
3Sunday, November 13, 2011
Speedlight Basics:
Michael E. SternPhotographer Educator Radio Host Author
818-422-0696
Build A Better Photograph Dot Com
Power Ratios are expressed as fractions:1/1 = full power 1/2 = half power one stop less power1/4 = quarter power two stops less power1/8 = eighth power three stops less power1/16 = sixteenth power ___________?
Power Ratios
4Sunday, November 13, 2011
Speedlight Basics:
Michael E. SternPhotographer Educator Radio Host Author
818-422-0696
Build A Better Photograph Dot Com
Power Ratios are useful for:Developing Lighting Ratios
Power Ratios
5Sunday, November 13, 2011
Speedlight Basics:
Michael E. SternPhotographer Educator Radio Host Author
818-422-0696
Build A Better Photograph Dot Com
Conserving Battery Power
Power Ratios
6Sunday, November 13, 2011
Speedlight Basics:
Michael E. SternPhotographer Educator Radio Host Author
818-422-0696
Build A Better Photograph Dot Com
Power Ratios
Reducing Recycle Time
7Sunday, November 13, 2011
Speedlight Basics:
Michael E. SternPhotographer Educator Radio Host Author
818-422-0696
Build A Better Photograph Dot Com
Power Ratios
Controlling Depth of Field
8Sunday, November 13, 2011
Speedlight Basics:
Michael E. SternPhotographer Educator Radio Host Author
818-422-0696
Build A Better Photograph Dot Com
Power Ratios
Working in a Small Space
9Sunday, November 13, 2011
Speedlight Basics:
Michael E. SternPhotographer Educator Radio Host Author
818-422-0696
Build A Better Photograph Dot Com
Developing Lighting Ratios
Power Ratios
10Sunday, November 13, 2011
Speedlight Basics:
11Sunday, November 13, 2011
Speedlight Basics:
12Sunday, November 13, 2011
Speedlight Basics:
13Sunday, November 13, 2011
Speedlight Basics:
14Sunday, November 13, 2011
Speedlight Basics:
15Sunday, November 13, 2011
