Minolta Rokkor-X

Generally smooth and unobtrusive with creamy out-of-focus areas and gradual transitions; 6-7 blade apertures produce reasonably circular shapes when stopped down.

Characteristically warm with slight amber bias that flatters skin tones; blues tend toward cyan, reds maintain saturation, and greens show remarkable differentiation.

Center sharpness excellent wide open across the range; peak sharpness typically between f/5.6 and f/8 with good corner performance stopped down.

Achromatic Coating provides substantial flare resistance for the era but falls short of modern nano-coatings; lens hoods significantly improve backlit performance.

Moderate global contrast with excellent micro-contrast; blacks remain deep without crushing shadows while highlights retain detail well.

Moderate to pronounced vignetting wide open with smooth gradients; stopping down 1-2 stops typically eliminates visible corner darkening.