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