Imagery: Auto - Large Table of Contents

EXCERPT page containing first few paragraphs. 2022-08-19 07:11:11

Stacking in Zerene Stacker
Focus stacking in Adobe Photoshop
via Edit => Auto Blend Layers

Overview of Focus Stacking Software/Processing

This page gives a brief overview of the stacking process.

Plan on investing time in learning how to use your choice of stacking software. Start with 2 or 3 frame stacks of something simple (no motion, no extreme close/far content). The examples in this article should give a good idea of what will work well.

There are various software packages that perform focus stacking, including Zerene Stacker, Helicon Focus, Adobe Photoshop, and others. I’ve gravitated to Zerene Stacker. While the built-in Auto Align Layers + Auto Blend Layers commands in Photoshop work well in many circumstances, there is no choice of algorithm or parameters for doing the stack. Still, it is a quick way to try focus stacking for anyone already using Photoshop.

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Diglloyd Making Sharp Images articulates years of best practices and how-to, painstakingly learned over a decade of camera and lens evaluation.

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  • Eases into photographic challenges with an introductory section.
  • Covers aspects of digital sensor technology that relate to getting the best image quality.
  • Technique section discusses every aspect of making a sharp image handheld or on a tripod.
  • Depth of field and how to bypass depth of field limitations via focus stacking.
  • Optical aberrations: what they are, what they look like, and what to do about them.
  • MTF, field curvature, focus shift: insight into the limitations of lab tests and why imaging performance is far more complex than it appears.
  • Optical aberrations: what they are, what they look like, and what to do about them.
  • How to test a lens for a “bad sample”.

Intrigued? See Focusing Zeiss DSLR Lenses For Peak Performance, PART ONE: The Challenges, or (one topic of many) field curvature.

Zerene Stacker with focus stacking in progress for 2-frame stack

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