This pages studies focus shift with the Canon 50mm f/1.2L.
An extensive array of focus distances each with the aperture series from ƒ/1.2 - ƒ/11 is presented in order to show:
- The shocking image sharpness differences caused by focus shift.
- That the 50/1.2L is a very sharp lens, but “in the wrong place” unless one compensates for the focus shift.
- That with increasing DSLR resolution, focus shift can be THE dominant factor in determining actual image sharpness.
Focusing and focus shift
Article continues for subscribers...
Already a subscriber? CLICK HERE TO LOG IN
Since 2006, Diglloyd Advanced Photography is the authoritative review and reference for DSLRs and their lenses: Canon and Nikon primarily, but also Pentax and some medium format. Reviews of key DSLRs are included, but the primary focus is on lens performance. Also included is a wealth of technique and workflow approaches.
DAP includes thousands of pages of exclusive coverage and high resolution Retina-grade examples detailing Canon and Nikon DSLR bodies and their lenses, with in-depth analysis of sharpness and contrast, color, bokeh, vignetting, distortion, MTF, and flare, behavioral and practical usage.