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EXCERPT page containing first few paragraphs. 2023-06-02 11:06:04

About 3° of tilt
Nikon PC-E Micro-Nikkor 45mm f/2.8D ED

Depth of Field: Bypassing the Limits Using a Tilt Lens

A tilt or tilt/shift lens allows angling the plane of focus to so that it is no longer parallel to the film/sensor. More to purpose, the tilt function lets the photographer skew the plane of focus through the subject matter as bet befits the sharpness goal.

An ordinary non-tilt-capable lens places the plane of focus at a fixed distance whereas a tilt lens angles the plane of focus at varying distance.

In a tilt lens, the angling of the plane of focus is achieved by mechanical adjustment; the photographer chooses a plane of focus that cuts through the subject matter at a varying distance. Arriving at the film/sensor, the subject is thus sharp even wide open, potentially from a few feet away to the far distance.

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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.

About 3° of tilt with Nikon PC-E Micro-Nikkor 45mm f/2.8D ED

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