Sony FE 24-105 mm f/4 G OSS review - Chromatic and spherical aberration

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Sony FE 24-105 mm f/4 G OSS

11 January 2023

Maciej Latałło

5. Chromatic and spherical aberration

Chromatic aberration

A lot of special elements in the optical construction of the Sony 24-105 perform as they should so the lens doesn't experience any problems with longitudinal spherical aberration, no matter what focal length you apply. Photos below are the proof of that.

Sony FE 24-105 mm f/4 G OSS - Chromatic and spherical aberration

With lateral chromatic aberration the situation is a bit different - it is always difficult to correct this kind of aberration in lenses with high zoom factor and providing a wide angle of view. Graphs below show how the Sony fares on the edge of the APS-C sensor and on the edge of full frame.

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A performance at 24 mm might be slightly worrisome. You observe medium values that momentarily approach even high levels – it means this aberration will be visible in real life photos. The 70 mm focal length might be positioned on the opposite side – no matter what aperture you apply, the lateral aberration remains low. In case of the 40 mm focal length there are no reasons to complain either as the results in this area keep a borderline between low and very low level. A bit higher values you see at 105 mm but they can still be considered low.

A7R III, RAW, 24 mm, f/4.0	A7R III, RAW, 70 mm, f/11.0

Spherical aberration

First photo of this chapter and also images of out-of-focus circles of light show that spherical aberration is not a problem you should worry about. Circles we got before and behind the focus don't differ significantly, no matter what aperture you apply. Also it would be really difficult to notice any 'focus shift' effect. There can be just one conclusion – the optics specialists working on the Sony 24-105G optics took proper care of correcting spherical aberration.