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Zeiss Otus 28mm f/1.4 APO-Distagon:
Otus lenses are deal for focus stacking

General Shooting Tips for Focus Stacking

Keep it simple when possible: for shots in which the subject matter is in medium to far range: shoot 2 or 3 frames at f/9 or so. Shoot 2 or 3 frames for wide angle lenses at f/8 or so, 3 or 4 frames at f/9 - f/11 for a deeper range of focus and/or longer focal lengths.

Shoot an image stopped down conventionally as a backup image. Then shoot the stacked images. For example, if the stacked images are to be shot at f/5.6 or f/9, first shoot an extra image at f/9 or f/13 as a standalone image. If the stacked shots prove nettlesome, the single image is a fallback plan, and it can also be used as part of the stacked set.

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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.

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