ContentsIntroductionSample ImagesSpecificationsDisclosureHandlingOptical FeaturesSharpness (Infinity)Sharpness (Close-up)Lens DistortionVignettingFocus Shift & AberrationsFlare ResistanceComaSunstarsFocus BreathingBokehConclusionAlternativesMore Sample ImagesFurther ReadingSupport UsMartinLatest posts by Martin (see all) Introduction It has generally been difficult to find ultra wide-angle prime lenses for any system until a few years ago. It has become much better for full-frame cameras, but...
