The reader is strongly advised to read the lens evaluation notes.
See the DAP reviews of tilt/shift lense (search for “PC-E” on the index page).
The PC-E Micro Nikkor 45/2.8D ED offers a tilt function, which is one way to evade the effects of diffraction, by reducing the need to stop down when a cooperatively-shaped subject presents itself (e.g., one not plane parallel to the sensor but having its own semi-planar shape along which tilt can be aimed).
The shift function allows perspective correction, which is the other reason to consider a tilt/shift lens.
Article continues for subscribers...
If you’re already a subscriber, CLICK HERE TO LOG IN
diglloyd Advanced Photography includes hundreds of pages of exclusive coverage and high resolution, Retina-grade example pictures detailing Canon and Nikon DSLR bodies and their lenses, with in-depth analysis of sharpness and contrast, color, bokeh, vignetting, distortion, MTF, and flare. Also included is a wealth of in-context technique and workflow insight. Since 2006, diglloyd Advanced Photography is the authoritative review and on-line reference for discerning Canon and Nikon shooters. Subscriptions cost $ per year.