Zeiss Batis 40mm f/2 CF Aperture Series: Evaluating Secondary Color
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In my review of the Zeiss Batis 40mm f/2 CF I evaluate longitudinal chromatic aberration (LOCA) and secondary longitudinal chromatic aberration (SLOCA), two bugaboos of image clarity.
Zeiss Batis 40mm f/2 CF: Longitudinal and Secondary Longitudinal Chromatic Aberration
Includes images up to full camera resolution with crops.
Below, out of focus image used to look for color errors.

White Aspen, Late Dusk
[low-res image for bot]
f2 @ 1/25 sec IS=off, ISO 100; 2018-10-18 18:11:17
Sony A7R III + Zeiss Batis 40mm f/2 CF
ENV: Bishop Creek, altitude 8600 ft / 2621 m, 38°F / 3°C
RAW: LACA corrected
Sony A7R III + Zeiss Batis 40mm f/2 CF
ENV: Bishop Creek, altitude 8600 ft / 2621 m, 38°F / 3°C
RAW: LACA corrected
[low-res image for bot]