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Home » David Allen

Author Archives: David Allen

Tried to use photography to replace mathematics. Was paid for mathematics.

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Cover - Appendix C of the Technical Field Guide for the Discerning Analog Photographer
Posted inArticles

Appendix C of the Technical Field Guide for the Discerning Analog Photographer: Accounting for rise using a linear, half-lens splitting mask

by David AllenMarch 27, 2019July 31, 2021

In Appendix A I went into greater detail on my equations used for pushing and pulling in the field; and, then, in Appendix B we looked at the equations behind metering for multiple exposures.

Cover - Appendix B of the Technical Field Guide for the Discerning Analog Photographer- Metering for finite and infinite multiple exposures
Posted inDarkroom

Appendix B of the Technical Field Guide for the Discerning Analog Photographer: Metering for finite and infinite multiple exposures

by David AllenMarch 7, 2019July 31, 2021

Welcome to the second appendix to the Technical Field Guide for the Discerning Analog Photographer.

Cover - Special Gunpowder for a Special FP4 Party
Posted inFP4 Party

Special Gunpowder for a Special FP4 Party

by David AllenFebruary 26, 2019July 31, 2021

On the very last shoot day of January 2019’s FP4 Party, I went with my family to the nearby city of Gaillac.

Cover - A Technical Field Guide for the Discerning Analog Photographer - Appx A
Posted inDarkroom

Appendix A of the Technical Field Guide for the Discerning Analog Photographer: push/pull processing calculations

by David AllenFebruary 12, 2019July 31, 2021

I originally wrote the full “Technical Field Guide for the Discerning Analog Photographer” as a quick reference for technical photographers in the field.

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