- Canon EF 50mm f/1.2L.
- Canon EF 50mm f/1.4.
- Canon EF 50mm f/1.8 II.
Aperture series from wide open - ƒ/11 are presented in order to show:
- The relative sharpness differences caused by focus shift for each lens.
- That Canon’s “best” 50mm, the 50/1.2L, is actually likely to produce the poorest results when stopped down unless one compensates for its strong focus shift.
- That the inexpensive 50mm f/1.8 II offers the least troublesome behavior.
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