Violet Fringing Case Study (LOCA with Zeiss 85mm and Leica 90mm)

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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.

Save yourself those years of trial and error by jump-starting your photographic technical execution when making the image. The best lens or camera is handicapped if the photographer fails to master perfect shot discipline. High-resolution digital cameras are unforgiving of errors, at least if one wants the best possible results.

• 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.