FLASH CALCULATOR

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Guide Number (GN):   Power
full power
1/2 power
1/4 power
1/8 power
1/16 power
Film Speed
ISO 50
ISO 100
ISO 200
ISO 400
ISO 800
Aperture:
Distance (ft):  

Remember: 1/2 power = closes aperture down 1 stop


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|    Depth-of-Field    |    Focal Length Conversion Table    |
|    Teleconverter & Extension Tube Exposure    |
|    Resolution and File Size    |
|    Focal Length Needed    |    Angle Of View    |
|    Flash Calculator    |    f/Number Arithmetic    |
|    Scanning & Printing Calculators    |
|    Calculator Home    |


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Copyright © 2002-03 OREGON COAST PHOTOGRAPHERS' ASSOCIATION, Inc. All rights reserved.
Version: 1.0
Revised: October 20, 2002