Samsung 60mm f/2.8 NX i-Function Macro Lens

Samsung 60mm f/2.8 NX i-Function Macro Lens Performance

At maximum aperture, sharpness is very good in the centre of the frame, and clarity remains good towards the edges. Peak clarity across the frame is achieved between f/4 and f/8, where sharpness is excellent across the frame.

Resolution @ 60mm

How to read our charts The blue column represents readings from the centre of the picture frame at the various apertures and the green is from the edges. Averaging them out gives the red weighted column. The scale on the left side is an indication of actual image resolution. The taller the column, the better the lens performance. Simple. For this review, the lens was tested on a Samsung NX200 using Imatest.

Chromatic aberrations are kept well under control only reaching 0.66 pixel widths at f/8 towards the edges of the frame. This low level of CA should pose few issues, even in images with high contrast areas near the edges of the frame.

Chromatic aberration @ 60mm

How to read our charts Chromatic aberration is the lens' inability to focus on the sensor or film all colours of visible light at the same point. Severe chromatic aberration gives a noticeable fringing or a halo effect around sharp edges within the picture. It can be cured in software. Apochromatic lenses have special lens elements (aspheric, extra-low dispersion etc) to minimize the problem, hence they usually cost more. For this review, the lens was tested on a Samsung NX200 using Imatest.

Falloff of illumination towards the corners is reasonably well controlled for a wide aperture lens with the corners being 1.2 stops darker than the image centre at f/2.8. Stopping down to f/5.6 or beyond results in visually uniform illumination.

A slight amount of barrel distortion is present in images taken with this lens. Imatest detected 0.231% barrel distortion, which is even across the frame, so it should be easy to correct in image editing software afterwards if required.

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